Managerial Report

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Mathematics

Description

The status of counties is important. There are more than 3,000 US counties. The median household income (in dollars), average years of schooling, average lifespan (in years), and average number of people per household of 100 chosen counties are provided.

Data collected for a sample of 100 counties in 20XX are contained in the attached excel file named Counties. Use all 100 data points.

Managerial Report
Prepare a report (see below) using the numerical methods of descriptive statistics to learn how each of the variables contributes to the success of a county. Be sure to include the following three (3) items in your report.

  1. Descriptive statistics (mean, median, range, and standard deviation) for each of the four variables along with an explanation of what the descriptive statistics tell us about the counties.
  2. Use the z-score to determine which counties, if any, should be considered outliers in each of the four variables. If there are any outliers in any category, please list them and state for which category they are an outlier. Describe which method you used to make your determination.
  3. Descriptive statistics (correlation coefficient) showing the relationship between median household income (in dollars), and each of the other three variables. Thus, that makes a total of three correlation coefficients. Evaluate the relationships between median household income (in dollars) and each of the other three variables. Use tables, charts, graphs, or visual dashboards to support your conclusions.

Write a report that adheres to APA format using in text citations and a reference page. The grading rubric and an example paper are also attached.

The report must contain the following:

  • A title page in APA style.
  • An introduction that summarizes the problem.
  • The body of the paper should answer the questions posed in the problem by communicating the results of your analysis. Include results of calculations, as well as charts and graphs, where appropriate.
  • A conclusion paragraph that addresses your findings and what you have determined from the data and your analysis.

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County Alpine Andrews Angelina Appling Arapahoe Atlantic Austin Bailey Ballard Bastrop Baylor Bee Belmont Benewah Benton Borden Bosque Bowie Brazoria Brazos Brewster Briscoe Brooks Brown Burleson Butler Caldwell Calhoun Callahan Calumet Camp Carson Casey Castro Charles Cherry Chilton Clinton Cochise Coke Coleman Collin Collins Median Average years household of schooling income in dollars 42799 56598 41789 41593 51925 35427 55470 39152 59512 39631 43075 47985 41175 59839 41211 59620 46873 55241 43042 42242 55536 40064 54202 50142 58115 57472 39920 48539 52155 38453 56918 45745 35545 37647 51951 54248 56913 42518 39550 45753 55344 57294 38916 11,8 13,1 11,7 11,7 12,5 10,3 13,1 11,4 14 11,5 11,9 12,2 11,7 13,9 11,7 14 12,1 12,9 11,8 11,8 13,1 11,6 12,6 12,3 13,5 13,5 11,6 12,2 12,5 11,1 13,3 12,1 10,5 10,8 12,5 12,6 12,4 11,8 11,4 12,1 13 13,4 11,2 Average lifespan in years 75,9 79,7 75,7 75,5 78,1 73 79,5 74,6 80,1 74,8 76,2 77,5 75,2 78,9 78,1 80,9 77,2 78,9 78,4 75,9 78,4 75,2 78,5 77,9 80,4 80,3 75 77,7 78,1 73,9 80,1 76,8 73,3 73,5 78,1 78,6 80,1 75,9 74,7 76,9 79,2 80,3 74,2 Average number of people per household 2,2 2,5 2,2 2,6 3 2,5 2,2 2,4 2,8 2,9 1,9 2,7 2,7 3,2 2,1 2,5 2 2,7 2,7 3,2 2,5 2,9 2,2 1,8 2,2 2 2,4 2,6 2,3 1,9 2,5 2,4 2,1 2,6 3,2 2,4 2,4 2,7 2,7 3,2 2,9 2,7 2,7 Colorado Comal Concho Cone Cooke Cotton Coweta Craven Crockett Dakota Dale Dallam Dallas Daniels Dearborn Delaware Denton DeWitt Dickens Dimmit Durham Duval Eastland Ector Edward Erie Essex Gregg Grimes Guam Hale Hall Jones Kent Lincoln Marion Nevada Niagra Ontario Orange Oxford Putnam Queens Richmond Riverside Sullivan Sutter 50008 47085 47703 39275 53163 3600 40793 54863 39582 53529 38668 39820 56972 48640 57777 35831 51417 51311 46677 36620 46660 54668 55060 41648 45157 56785 43613 54416 53695 35968 38098 38375 55043 41928 57064 3900 45455 37975 56027 35442 55998 41332 47582 52193 44685 37692 47253 12,3 12,1 12,2 11,4 12,5 10,8 12 12,7 11,4 12,6 11,7 11,6 13,4 12,3 13,5 10,7 12,4 12,4 12,1 11,1 12,1 12,7 12,8 11,7 12 13,3 11,9 12,6 12,6 10,8 12,2 11 12,8 11,8 13,4 11 12,1 9 13,1 9,4 13,1 11,7 12,2 12,5 12 10,9 12,2 77,8 78,3 77,4 74,6 78,4 73 70,4 78,8 74,8 78,5 74,2 75 78,8 78 80,4 73,3 78,1 78 77,1 73,5 77 78,7 78,9 75,7 76,8 79,7 76,3 78,7 78,5 73,3 73,7 73,8 78,8 75,8 80,2 73,8 76,8 73,6 79,7 70 79,6 75,4 77,4 78,1 76,7 73,6 77,3 2,4 2,3 2 3,5 2,2 2 3 2,2 2 2,3 2,1 1,8 2,4 2,7 2 2 2,5 2,9 2,7 2,1 1,8 2,6 2,3 2,8 2,6 2,8 2,8 2,1 2,2 2,8 2,7 2,7 2,1 3 2,6 2,5 2,7 2,5 2,6 3,1 2,3 2,9 2,1 1,8 2,4 2,3 1,8 Tipton Trinity Union Wabash Washington Wells Wyoming Yates Yuba Ziebach 53186 50098 58850 58223 39193 51233 38956 41905 39077 44500 12,5 12,3 13,6 13,6 12,2 12,4 11,3 11,7 11,4 12 78,4 77,8 80,8 78,8 74,6 78 74,4 78,3 74,5 76,4 3,1 2 2,4 2 3 2,9 2,9 3 2,9 2,4 MTH410 Critical Thinking Rubric - Module 2 Meets Expectation Content, Research, and Analysis 21 -25 Points Requirements Includes all of the required components, as specified: addressed items 13; report contains all sections and components; Excel file submitted. 25-30 Points Content Demonstrates strong or adequate knowledge of numerical statistics; correctly represents knowledge from the readings and sources. 25-30 Points Critical Analysis Provides a strong critical analysis and interpretation of the information given. Mechanics and Writing 9-10 Points Demonstrates Project is clearly college-level organized, well proficiency in written, and in organization, proper format as grammar and outlined in the style. assignment. Strong sentence and paragraph structure; few errors in grammar and spelling. Approaches Expectation Below Expectation Limited Evidence 16-20 Points Includes most of the required components, as specified in the assignment. 11-15 Points Includes some of the required components, as specified in the assignment. 6-10 Points Includes few of the required components, as specified in the assignment. 19-24 Points Some significant but not major errors or omissions in demonstration of knowledge. 13-18 Points Major errors or omissions in demonstration of knowledge. 7-12 Points Fails to demonstrate knowledge of the materials. 19-24 Points Some significant but not major errors or omissions in analysis and interpretation. 13-18 Points Major errors or omissions in analysis and interpretation. 7-12 Points Fails to provide critical analysis and interpretation of the information given. 7-8 Points Project is fairly well organized and written, and is in proper format as outlined in the assignment. Reasonably good sentence and paragraph structure; significant number of errors in grammar and spelling. 5-6 Points Project is poorly organized; does not follow proper paper format. Inconsistent to inadequate sentence and paragraph development; numerous errors in grammar and spelling. 3-4 Points Project is not organized or well written, and is not in proper paper format. Poor quality work; unacceptable in terms of grammar and spelling. MTH410 Critical Thinking Rubric - Module 2 9-10 Points Demonstrates Project contains proper use of proper APA APA style formatting, according to the CSU-Global Guide to Writing and APA Requirements, with no more than one significant error. Total points possible = 105 7-8 Points Few errors in APA formatting, according to the CSU-Global Guide to Writing and APA Requirements, with no more than two to three significant errors. 5-6 Points Significant errors in APA formatting, according to the CSU-Global Guide to Writing and APA Requirements, with four to five significant errors. 3-4 Points Numerous errors in APA formatting, according to the CSU-Global Guide to Writing and APA Requirements, with more than five significant errors. Running head: GUIDE TO WRITING WITH STATISTICS MTH410 Guide to Writing with Statistics CSU-Global Campus October, 2014 1 GUIDE TO WRITING WITH STATISTICS 2 Introduction The purpose of this paper is to provide some general guidance in the writing of papers using statistics and associated tests. The paper provides some general tips for writing and the use of statistics. An example prompt is included, followed by a sample paper. General Tips for Writing a Math Paper: • • • • • • • • Organization: o Turn your prompt into headings for paper sections. This will help you to make sure you include all of the required information and analysis. It also helps the reader identify the material. o Your paper needs: ▪ A separate title page using APA style requirements (running header, page numbers, course, instructor, your name, date, etc.). ▪ An introduction (often a summary or abstract of the problem). ▪ A body of the paper that answers the questions posed in the problem and includes calculations and graphs associated with this problem. This is where you can turn your prompt into headings. All references need to be properly cited. ▪ A conclusion paragraph that addresses your findings and what you have determined from the data and your analysis. ▪ A separate sheet for references. o There are templates that use APA style that you can insert your material into. If you really struggle with formatting, this may be an option for your first paper or two. If you use a template, remember to double-check it to remove any extra instructions or pages or other elements that weren’t used. In general, numbers less than 10 are to be written in word form. However, if you have numbers in this range that carry decimals, write them in numeral form. Never use or interpret a statistic or test that you don’t fully understand. Target your audience and present as much information as necessary to allow the reader to make an independent interpretation. Make use of graphs and tables to display information in an easily understood manner. Format them the same throughout, and make sure you don’t manipulate axes. If you are referring to a statistic that is less commonly used, explain how you calculated it. (It is not necessary to explain mean, but it may be necessary to explain how you set up an ANOVA test.) Be clear about your sample and its corresponding population. Be direct in writing descriptive statistics (The mean in Group A is 22.9 units.). GUIDE TO WRITING WITH STATISTICS • • 2 Translate the meaning of the statistic for the reader. Write plainly and then back it up with statistical evidence. For example: Men and women scored equally well on this study (t = 0.25, p < 0.01). For additional resources see the CSU-Global Guide to Writing and APA Requirements or visit https://owl.english.purdue.edu/owl/owlprint/672/ GUIDE TO WRITING WITH STATISTICS 3 Prompt for Sample Paper: Critical Thinking: Heavenly Chocolates Website transactions are an important segment of sales and distribution today. Heavenly Chocolates manufactures and sells quality chocolates at its plant and retail store in Bozeman, MT. Three years ago, the company developed a website and began sales on the internet. Website sales have exceeded expectations and management is now considering strategies to continue to increase its sales. To learn more about its sales, Heavenly Chocolates selected a sample of 50 random transactions from its previous month’s sales. The transaction data shows the day of the week the purchase was made, the type of browser used in the transaction, the time spent on the website, the number of website pages viewed, and the amount spent by the customer. The data is shown in a file named Chocolate. Heavenly Chocolates would like to determine if time spent on the website or the number of pages viewed influence the total purchase. They would also like to examine any effect that day of the week and browser type have on sales. Managerial Report Prepare a report (see below) using the numerical methods of descriptive statistics presented in this module to learn how the variables contribute to the sales of chocolate. Be sure to include the following four (4) items in your report. 1. Descriptive statistics (mean, median, range, and standard deviation) for each of the three variables along with an explanation of what the descriptive statistics tell us about the sales. 2. A breakdown using descriptive statistics examining the effect of days of the week on sales. Evaluate the results. 3. A breakdown using descriptive statistics examining the effect of browser type on sales. Evaluate the results. 4. Descriptive statistics (correlation coefficient) showing the relationship between sales (in dollars), and each of the other two variables. Evaluate the relationships between sales (in dollars) and each of the other variables (time spent and pages visited). Use tables, charts, graphs, or visual dashboards to support your conclusions. Make recommendations for continuing to develop sales to the management. Write a report that adheres to the Written Assignment Requirements under the heading “Expectations for CSU-Global Written Assignments” found in the CSU-Global Guide to Writing and APA Requirements. As with all written assignments at CSU-Global, you should have in-text citations and a reference page. Your report must contain the following: • • A title page An introduction GUIDE TO WRITING WITH STATISTICS • • 4 A body of the paper that answers the questions posed in the problem and calculations and graphs associated with this problem. A conclusion paragraph that addresses your findings and what you have determined from the data and your analysis. Submit your Excel file in addition to your report. Note: Prompt adapted from the “Heavenly Chocolate Website Transactions Case Problem 4,” D. Anderson, D. Sweeney, T. Williams, J. Camm, & J. Cochran, 2015, Essentials of statistics for business and economics. (7th ed.), p. 167,168. The following pages contain the sample paper corresponding to the prompt written above. Read through it for ideas on how to write your own papers. HEAVENLY CHOCOLATES WEB SALES ANALYSIS (Sample) Heavenly Chocolates Web Sales Analysis Student Name MTH410 – Quantitative Business Analysis Colorado State University–Global Campus Instructor Name Date 1 HEAVENLY CHOCOLATES WEB SALES ANALYSIS (Sample) 2 Heavenly Chocolates Web Sales Analysis Website transactions are an important segment of sales and distribution today. Any business developing a market for online sales would be wise to analyze data from both the general marketplace and its own specific customer segment. Analysis of this data can provide insight into further development of sales. Heavenly Chocolates data-mined their transactions for the previous month to gather a random sample of 50 customer transactions. The sample recorded the day of the week the purchase was made, the type of browser used in the transaction, the time spent on their website, the number of website pages viewed, and the amount spent by the customer. The purpose of this analysis is to determine if the time spent on the website or the number of pages viewed influences the total purchase. The impact of day of the week and browser type on sales will also be studied. Overview of Online Sales The 50 customers sampled spent a total of $3,406.41 in the previous month. This is an average of $68.10 per customer. The purchases ranged from a $17.80 to $158.50. The average customer spent 12.8 minutes on the website. Time spent on the website ranged from 4.3 minutes to 32.9 minutes. The typical customer viewed almost five pages, with two as the minimum and ten as the maximum. The data set is summarized below in Table 1. Table 1 Summary of Online Sales Sample Time (min) Pages Viewed Amount Spent ($) mean 12.8 4.8 68.1 median 11.4 4.5 62.2 std dev 6.1 2 32.3 min 4.3 2 17.8 HEAVENLY CHOCOLATES WEB SALES ANALYSIS (Sample) 3 Table 1 Summary of Online Sales Sample (Continued) Time (min) Pages Viewed Amount Spent ($) max 32.9 10 158.5 range 28.6 8 140.7 SUM ($) 3406.41 Note: Data compiled from the “Heavenly Chocolate Website Transactions Case Problem 4,” D. Anderson, D. Sweeney, T. Williams, J. Camm, & J. Cochran, 2015, Essentials of statistics for business and economics. (7th ed.), p. 167,168. Impact of Day of the Week on Sales The daily sales breakdown reveals some interesting patterns. Sunday is the lowest sales day, from the perspective of both total sales ($218.15) and average sales ($43.60). Monday and Friday were the best days in terms of overall sales performance. Monday had the highest mean (average) sales at $90.40, while Friday had the highest total sales at $945.43 for roughly 28% of the sample total. See Table 2 for a complete breakdown of the impact of the day of the week on amount spent, time spent on the website, and number of pages viewed. Table 2 Breakdown of Sales by Day of the Week Sun Mon Tues Wed Thurs Fri Sat Total mean 43.6 90.4 59.3 57 58.8 85.9 54.1 68.1 median 37.2 104.2 67.4 53.4 59.2 70.4 55.6 62.2 std dev 12.8 43.5 14.6 24.5 30.4 33.9 17.7 32.3 min 32.7 26.7 39.1 32.7 17.8 52.1 27.9 17.8 max 64.2 158.5 74.4 94.9 91.6 155.3 78.6 158.5 range 31.4 131.8 35.4 62.2 73.8 103.2 50.7 140.7 count 5 9 7 6 5 11 7 50 Total Sales HEAVENLY CHOCOLATES WEB SALES ANALYSIS (Sample) 4 Table 2 Breakdown of Sales by Day of the Week (Continued) Sun SUM ($) 218.15 Mon Tues Wed Thurs Fri Sat Total 813.38 414.86 341.82 294.03 945.43 378.74 3,406.41 Time Spent mean 11.4 15.3 12.7 12.4 10.9 12.3 13.2 12.8 median 11.7 13.3 10.6 12 8.1 9.7 13.3 11.4 std dev 2.2 7.4 6 4.8 7.1 7.8 4.3 6.1 min 8 7.3 7.8 5 6.2 4.3 6 4.3 max 14.3 30.1 24.7 19.5 23.3 32.9 18.1 32.9 range 6.3 22.8 16.9 14.5 17.1 28.6 12.1 28.6 Pages Viewed mean 4.2 6.4 4 4.2 3.8 4.8 5.3 4.8 median 4 6 4 4.5 4 4 5 4.5 std dev 1.9 2.1 2.1 1.5 2 2.3 1.1 2 min 2 4 2 2 2 3 4 2 max 7 10 7 6 7 10 7 10 range 5 6 5 4 5 7 3 8 Note: Data compiled from the “Heavenly Chocolate Website Transactions Case Problem 4,” D. Anderson, D. Sweeney, T. Williams, J. Camm, & J. Cochran, 2015, Essentials of statistics for business and economics. (7th ed.), p. 167,168. By almost every measure, Monday is the best day for sales. Friday follows closely (see Table 2). It makes logical sense to recommend that the marketing department develop advertising targeted for Monday and Friday. Weekends are subpar and midweek statistics are nearly equivalent. Targeting sales or special packages for midweek may produce some increased traffic. If these recommendations are implemented, follow-up analysis is recommended to see if the desired results are being produced. HEAVENLY CHOCOLATES WEB SALES ANALYSIS (Sample) 5 Impact of Browser on Sales There were also sales differences revealed by breaking the data down by browser type. Customers using Internet Explorer to complete their transactions accounted for the highest total sales at $1,656.81; however, this value was achieved on volume (see Table 3). Internet Explorer had the lowest average sale at $61.36 while Firefox customers averaged $76.80 per transaction. Table 3 Breakdown of Sales by Browser Firefox Internet Explorer Other Total mean 76.8 61.36 74.5 68.1 median 68 55.6 67.4 62.2 std dev 38.9 29.2 24.6 32.3 min 27.9 17.8 52.2 17.8 max 158.5 126.4 120.3 158.5 range 130.6 108.6 68.1 140.7 count 16 27 7 50 SUM ($) 1,228.21 1,656.81 521.39 3,406.41 Note: Data compiled from the “Heavenly Chocolate Website Transactions Case Problem 4,” D. Anderson, D. Sweeney, T. Williams, J. Camm, & J. Cochran, 2015, Essentials of statistics for business and economics. (7th ed.), p. 167,168. The opportunity here is to target premium packages for advertising specific to Firefox. Value packages could be created for advertising specific to Internet Explorer. This promotion should be combined with the recommendations given regarding days of the week and subjected to a follow-up analysis to check for results. Relationship between Amount Spent and Website Use The other feature of this analysis is to evaluate the relationship between amount spent by customers and how much time they spent on the website with the additional variable of number HEAVENLY CHOCOLATES WEB SALES ANALYSIS (Sample) 6 of pages viewed also taken into account. For this, a correlation analysis was performed. The correlation coefficient between time spent on the website and amount spent in dollars was moderately positive (r = 0.58). A similar moderately positive correlation coefficient (r = 0.60) was found between the variables of time spent on the website and number of pages visited. The strongest correlation was found between number of pages viewed on the website and amount spent. This correlation coefficient (r = 0.72) approaches a strong positive correlation (see Figure 1). This suggests that there may be some merit in trying to guide customers to view more pages. 180.00 160.00 Dollars Spent 140.00 120.00 100.00 80.00 60.00 40.00 20.00 0.00 0 2 4 6 8 10 12 Pages Viewed Figure 1. Relationship Between Pages Viewed and Dollars Spent. Data compiled from the “Heavenly Chocolate Website Transactions Case Problem 4,” D. Anderson, D. Sweeney, T. Williams, J. Camm, & J. Cochran, 2015, Essentials of statistics for business and economics. (7th ed.), p. 167,168. A common tactic is to guide customers to pages that have also been viewed by other customers viewing the product on the current page. Another suggestion is to pair pages and suggest that customers who purchased the product on the current page also frequently purchased a product on the linked page. As with previous suggestions, follow-up analysis should be performed to check results. On a cautionary note, this can be overdone. The statement from HEAVENLY CHOCOLATES WEB SALES ANALYSIS (Sample) 7 Essentials of Statistics for Business and Economics that correlation is a measure of linear association and not causation should also be duly noted (Anderson, et al., 2015). Conclusion The analysis of this sample of 50 random customer transactions revealed several items to be used in the development of continued growth at Heavenly Chocolate. There is positive correlation between all three variables, but the strongest correlation is between number of pages viewed and amount of sales. There is adequate reason to pursue linking pages and making suggestions for customer purchasing. Monday and Friday are the best sales days. Firefox customers spend the most, but Internet Explorer customers provide the highest volume. Packaging and marketing strategies can be developed using this information. This analysis validates the use of statistical tools to provide insight into new strategies. Follow-up analysis is also mandated to find out if the strategies are producing results. HEAVENLY CHOCOLATES WEB SALES ANALYSIS (Sample) References Anderson, D.R., Sweeney, D.J., Williams, T.A., Camm, J.D., & Cochran, J.J. (2015). Essentials of statistics for business and economics. (7th ed.). Stamford, CT: Cengage Learning. 8
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Explanation & Answer

Thank you,it has been a pleasure working with you. If you need any clarification let me know.All the best

Introduction
I want to study the effect of Average years of schooling, Average lifespan in years and
Average number of people per household on Median household income in dollars. I analyze this
effect by the value of correlation coefficient and scatterplots.

Descriptive statistics
The table of descriptive statistics as obtained from excels for Median household income,
Average years of schooling, and Average lifespan in years and Average number of people per
household is given below.
Median
household
income in
dollars
Mean
Standard Error
Median
Mode
Standard
Deviation
Sample
Variance
Kurtosis
Skewness
Range
Minimum
Maximum
Sum
Count

Average
lifespan in
years

Average
number of
people per
household

46969.41
12.101
763.2013955 0.090011167
46668.5
12.1
#N/A
11.7

76.923
0.242569807
77.25
78.1

2.547
0.041910318
2.6
2.7

7632.013955 0.900111665

2.425698067

0.419103179

58247637.01

5.884011111
-0.367211423

0.175647475
0.089855301

0.084091764
12.6
72
84.6
7692.3
100

0.220489925
2.1
1.8
3.9
254.7
100

-1.363621302
0.02517764
26279
33560
59839
4696941
100

Average
years of
schooling

0.81020101
0.157072366
0.109048813
4.1
9.9
14
1210.1
100

The mean value of Median household income, Average years of schooling, and Average
lifespan in years and Average number of people per household is observed to be 46969.41,
12.101, 76.923 and 2.549 respectively. The median value of Median household income, Average
years of schooling, and Average lifespan in years and Average number of people per household
is observed to be 46668.5, 12.1, 77.25 and 2.6 respectively. The mode of Average years of
schooling, and Average lifespan in years and Average number of people per household is

observed to be 11.7, 78.1 and 2.7 respectively. The estimation of mean for all factors is roughly
equivalent to mode which is around equivalent to median. This implies distribution for all
variables follows approximately normal distribution. Croxton, f. E., & cowden, d. J. (1939).

Outliers
Z score is given by the formula. Z = (X – mean)/sd. Any z score with absolute value
greater than 3 or less than -3 is considered as an outlier. The list of outliers is given below.
Berenson, m., levine, d., szabat, k. A., & krehbiel, t. C. (2012).

County

Concho
Grimes

Average
lifespan
in years

Average
number of
people per
household
-6.0773

-32.0530

Country Concho and Grimes are considered as outliers.

Correlation coefficient
Correlation measures degree of association among two variables. But correlation does not
necessarily cause causation. Correlation as obtained from excel given below.

Median household income in dollars
Average years of schooling
Average lifespan in years
Average number of people per
household

Average
Median
number of
household Average Average
people
income in years of lifespan
per
dollars
schooling in years household
1
0.909198
1
0.891083 0.825919
1
-0.11267 -0.04404 0.17714
1

The scatterplots for Median household income in dollars with Average years of
schooling, Average lifespan in years and Average number of people per household are given
below.

Median household income in dollars

scatterplot

y = 7709.1x - 46318
R² = 0.8266

70000
60000
50000
40000
30000
20000
10000
0
0

2

4

6

8

10

Average years of schooling

12

14

16

There a strong positive linear relationship observed between Median household income
in dollars and Average years of schooling. That is as the value of Median household income
increases the value of Average years of schooling also increases. Croxton, f. E., & cowden, d. J.
(1939).

Median household income in dollars

scatterplot
80000
y = 2803.6x - 168694
R² = 0.794

70000
60000
50000
4000...


Anonymous
Really useful study material!

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