State and prove Pascal's formula.
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State and prove Pascal's formula.
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Abraham Lincoln University Applied Statistical Methodology Questions
What makes a function of a discrete variable a candidate for a discrete random variable distribution? What about the count ...
Abraham Lincoln University Applied Statistical Methodology Questions
What makes a function of a discrete variable a candidate for a discrete random variable distribution? What about the counterpart of this candidacy in the case of a continuous variable?Explain the significance of the mean, variance, and standard deviation for a random variable. Do the significances change when passing from the discrete case to the continuous case?Provide a detailed discussion on the distribution of a discrete random variable, in general terms, and then provide a numerical example of this distribution. What are the mean and the standard deviation in your example? How does this differ in the case where the random variable is continuous? Explain. How does the probability of union of disjoint events exhibit itself when dealing with a (discrete or continuous) random variable? Provide an example.
Please be sure to include in-text citations and peer reviewed references in APA format in your discussion post.
WU Statistics Current Levels of Democracy in Africa Nations Questions
Review the t test scenarios found in this week’s Learning Resources and consider the three different approaches of t tes ...
WU Statistics Current Levels of Democracy in Africa Nations Questions
Review the t test scenarios found in this week’s Learning Resources and consider the three different approaches of t tests:
Independent sample t test
Paired sample t test
One sample t test
Based on each of the three research scenarios provided, open the High School Longitudinal Study dataset or the Afrobarometer dataset from this week’s Learning Resources using SPSS software, then choose and run the appropriate t test.
Once you perform your t test analyses, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.
For this Assignment:
Write an analysis of your t test results for each research scenario and include the SPSS syntax and output. Do not forget to evaluate if the t test assumptions are met, justify the selection of type of t test, and report the effect size. Based on your results, provide an explanation of what the implications of social change might be.
6 pages
20200428141655apex Learning Journal 3.1.4
View the video found on page 1 of this Journal activity. Using the information provided in the video, answer the questions ...
20200428141655apex Learning Journal 3.1.4
View the video found on page 1 of this Journal activity. Using the information provided in the video, answer the questions below.
The following data shows the amount of money students paid for textbooks at a college bookstore, algebra homework help
The following data shows the amount of money students paid for textbooks at a college bookstore during the spring semester ...
The following data shows the amount of money students paid for textbooks at a college bookstore, algebra homework help
The following data shows the amount of money students paid for textbooks at a college bookstore during the spring semester. What is the range of values that are within 1 standard deviation of the mean. Round to the nearest tenth.{338, 160, 210, 180, 166, 272, 128, 409, 240, 250, 160, 300, 340, 200, 194, 132, 202, 180, 420, 380, 325, 185, 233, 198}A. 241.8 - 328.4B. 155.2 - 241.8C. 155.2 - 328.4D. 328.4 - 415
Grand Canyon University SS Stevens Measurement Systems Properties HW
1 - QuestionReview the levels of measurement terms in the Statistics Visual Learner
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Grand Canyon University SS Stevens Measurement Systems Properties HW
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media piece. Compare and contrast Stevens's four scales of measurement,
and explain when each type of scale should be used.http://lc.gcumedia.com/hlt362v/the-visual-learner/the-visual-learner-v2.1.html2- QuestionThe professor teaching a large introductory class gives a final exam
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University of Phoenix Pastas R Us Data Statistical Report and Worksheet
Resource: Pastas R Us, Inc. Database Review the Wk 2 - Apply: Statistical Report assignment. In preparation for writing yo ...
University of Phoenix Pastas R Us Data Statistical Report and Worksheet
Resource: Pastas R Us, Inc. Database Review the Wk 2 - Apply: Statistical Report assignment. In preparation for writing your report to senior management next week, conduct the following descriptive statistics analyses with Excel®. Answer the questions below in your Excel sheet or in a separate Word document:Insert a new column in the database that corresponds to “Annual Sales.” Annual Sales is the result of multiplying a restaurant’s “SqFt.” by “Sales/SqFt.”Calculate the mean, standard deviation, skew, 5-number summary, and interquartile range (IQR) for each of the variables.Create a box-plot for the “Annual Sales” variable. Does it look symmetric? Would you prefer the IQR instead of the standard deviation to describe this variable’s dispersion? Why?Create a histogram for the “Sales/SqFt” variable. Is the distribution symmetric? If not, what is the skew? Are there any outliers? If so, which one(s)? What is the “SqFt” area of the outlier(s)? Is the outlier(s) smaller or larger than the average restaurant in the database? What can you conclude from this observation?What measure of central tendency is more appropriate to describe “Sales/SqFt”? Why?Below I have listed the instructions for week 2. This portion is to only help complete the assignment listed above in bold.Resources: Pastas R Us, Inc. Database & Microsoft Excel®, Wk 1: Descriptive Statistics Analysis AssignmentPurpose This assignment is intended to help you learn how to apply statistical methods when analyzing operational data, evaluating the performance of current marketing strategies, and recommending actionable business decisions. This is an opportunity to build critical-thinking and problem-solving skills within the context of data analysis and interpretation. You’ll gain a first-hand understanding of how data analytics supports decision-making and adds value to an organization. Scenario: Pastas R Us, Inc. is a fast-casual restaurant chain specializing in noodle-based dishes, soups, and salads. Since its inception, the business development team has favored opening new restaurants in areas (within a 3-mile radius) that satisfy the following demographic conditions:Median age between 25 – 45 years oldHousehold median income above national averageAt least 15% college educated adult populationLast year, the marketing department rolled out a Loyalty Card strategy to increase sales. Under this program, customers present their Loyalty Card when paying for their orders and receive some free food after making 10 purchases.The company has collected data from its 74 restaurants to track important variables such as average sales per customer, year-on-year sales growth, sales per sq. ft., Loyalty Card usage as a percentage of sales, and others. A key metric of financial performance in the restaurant industry is annual sales per sq. ft. For example, if a 1200 sq. ft. restaurant recorded $2 million in sales last year, then it sold $1,667 per sq. ft.Executive management wants to know whether the current expansion criteria can be improved. They want to evaluate the effectiveness of the Loyalty Card marketing strategy and identify feasible, actionable opportunities for improvement. As a member of the analytics department, you’ve been assigned the responsibility of conducting a thorough statistical analysis of the company’s available database to answer executive management’s questions.Report: Write a 750-word statistical report that includes the following sections:Section 1: Scope and descriptive statisticsSection 2: AnalysisSection 3: Recommendations and ImplementationSection 1 - Scope and descriptive statisticsState the report’s objective.Discuss the nature of the current database. What variables were analyzed?Summarize your descriptive statistics findings from Excel. Use a table and insert appropriate graphs.Section 2 - Analysis Using Excel, create scatter plots and display the regression equations for the following pairs of variables:“BachDeg%” versus “Sales/SqFt”“MedIncome” versus “Sales/SqFt”“MedAge” versus “Sales/SqFt”“LoyaltyCard(%)” versus “SalesGrowth(%)”In your report, include the scatter plots. For each scatter plot, designate the type of relationship observed (increasing/positive, decreasing/negative, or no relationship) and determine what you can conclude from these relationships. Section 3: Recommendations and implementationBased on your findings above, assess which expansion criteria seem to be more effective.Could any expansion criterion be changed or eliminated? If so, which one and why?Based on your findings above, does it appear as if the Loyalty Card is positively correlated with sales growth? Would you recommend changing this marketing strategy?Based on your previous findings, recommend marketing positioning that targets a specific demographic. (Hint: Are younger people patronizing the restaurants more than older people?)Indicate what information should be collected to track and evaluate the effectiveness of your recommendations. How can this data be collected? (Hint: Would you use survey/samples or census?)PLEASE NO PLAGIARISM, LIST REFERENCES IF NEEDED. PLEASE LET ME KNOW IF YOU HAVE QUESTIONS
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Abraham Lincoln University Applied Statistical Methodology Questions
What makes a function of a discrete variable a candidate for a discrete random variable distribution? What about the count ...
Abraham Lincoln University Applied Statistical Methodology Questions
What makes a function of a discrete variable a candidate for a discrete random variable distribution? What about the counterpart of this candidacy in the case of a continuous variable?Explain the significance of the mean, variance, and standard deviation for a random variable. Do the significances change when passing from the discrete case to the continuous case?Provide a detailed discussion on the distribution of a discrete random variable, in general terms, and then provide a numerical example of this distribution. What are the mean and the standard deviation in your example? How does this differ in the case where the random variable is continuous? Explain. How does the probability of union of disjoint events exhibit itself when dealing with a (discrete or continuous) random variable? Provide an example.
Please be sure to include in-text citations and peer reviewed references in APA format in your discussion post.
WU Statistics Current Levels of Democracy in Africa Nations Questions
Review the t test scenarios found in this week’s Learning Resources and consider the three different approaches of t tes ...
WU Statistics Current Levels of Democracy in Africa Nations Questions
Review the t test scenarios found in this week’s Learning Resources and consider the three different approaches of t tests:
Independent sample t test
Paired sample t test
One sample t test
Based on each of the three research scenarios provided, open the High School Longitudinal Study dataset or the Afrobarometer dataset from this week’s Learning Resources using SPSS software, then choose and run the appropriate t test.
Once you perform your t test analyses, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.
For this Assignment:
Write an analysis of your t test results for each research scenario and include the SPSS syntax and output. Do not forget to evaluate if the t test assumptions are met, justify the selection of type of t test, and report the effect size. Based on your results, provide an explanation of what the implications of social change might be.
6 pages
20200428141655apex Learning Journal 3.1.4
View the video found on page 1 of this Journal activity. Using the information provided in the video, answer the questions ...
20200428141655apex Learning Journal 3.1.4
View the video found on page 1 of this Journal activity. Using the information provided in the video, answer the questions below.
The following data shows the amount of money students paid for textbooks at a college bookstore, algebra homework help
The following data shows the amount of money students paid for textbooks at a college bookstore during the spring semester ...
The following data shows the amount of money students paid for textbooks at a college bookstore, algebra homework help
The following data shows the amount of money students paid for textbooks at a college bookstore during the spring semester. What is the range of values that are within 1 standard deviation of the mean. Round to the nearest tenth.{338, 160, 210, 180, 166, 272, 128, 409, 240, 250, 160, 300, 340, 200, 194, 132, 202, 180, 420, 380, 325, 185, 233, 198}A. 241.8 - 328.4B. 155.2 - 241.8C. 155.2 - 328.4D. 328.4 - 415
Grand Canyon University SS Stevens Measurement Systems Properties HW
1 - QuestionReview the levels of measurement terms in the Statistics Visual Learner
media piece. Compare and contrast St ...
Grand Canyon University SS Stevens Measurement Systems Properties HW
1 - QuestionReview the levels of measurement terms in the Statistics Visual Learner
media piece. Compare and contrast Stevens's four scales of measurement,
and explain when each type of scale should be used.http://lc.gcumedia.com/hlt362v/the-visual-learner/the-visual-learner-v2.1.html2- QuestionThe professor teaching a large introductory class gives a final exam
that has alternate forms, A, B, and C. A student taking the exam using
Form B is upset because she claims that Form B is much harder than Forms
A and C. Discuss how percentile point data might be useful to determine
if the student is correct.
University of Phoenix Pastas R Us Data Statistical Report and Worksheet
Resource: Pastas R Us, Inc. Database Review the Wk 2 - Apply: Statistical Report assignment. In preparation for writing yo ...
University of Phoenix Pastas R Us Data Statistical Report and Worksheet
Resource: Pastas R Us, Inc. Database Review the Wk 2 - Apply: Statistical Report assignment. In preparation for writing your report to senior management next week, conduct the following descriptive statistics analyses with Excel®. Answer the questions below in your Excel sheet or in a separate Word document:Insert a new column in the database that corresponds to “Annual Sales.” Annual Sales is the result of multiplying a restaurant’s “SqFt.” by “Sales/SqFt.”Calculate the mean, standard deviation, skew, 5-number summary, and interquartile range (IQR) for each of the variables.Create a box-plot for the “Annual Sales” variable. Does it look symmetric? Would you prefer the IQR instead of the standard deviation to describe this variable’s dispersion? Why?Create a histogram for the “Sales/SqFt” variable. Is the distribution symmetric? If not, what is the skew? Are there any outliers? If so, which one(s)? What is the “SqFt” area of the outlier(s)? Is the outlier(s) smaller or larger than the average restaurant in the database? What can you conclude from this observation?What measure of central tendency is more appropriate to describe “Sales/SqFt”? Why?Below I have listed the instructions for week 2. This portion is to only help complete the assignment listed above in bold.Resources: Pastas R Us, Inc. Database & Microsoft Excel®, Wk 1: Descriptive Statistics Analysis AssignmentPurpose This assignment is intended to help you learn how to apply statistical methods when analyzing operational data, evaluating the performance of current marketing strategies, and recommending actionable business decisions. This is an opportunity to build critical-thinking and problem-solving skills within the context of data analysis and interpretation. You’ll gain a first-hand understanding of how data analytics supports decision-making and adds value to an organization. Scenario: Pastas R Us, Inc. is a fast-casual restaurant chain specializing in noodle-based dishes, soups, and salads. Since its inception, the business development team has favored opening new restaurants in areas (within a 3-mile radius) that satisfy the following demographic conditions:Median age between 25 – 45 years oldHousehold median income above national averageAt least 15% college educated adult populationLast year, the marketing department rolled out a Loyalty Card strategy to increase sales. Under this program, customers present their Loyalty Card when paying for their orders and receive some free food after making 10 purchases.The company has collected data from its 74 restaurants to track important variables such as average sales per customer, year-on-year sales growth, sales per sq. ft., Loyalty Card usage as a percentage of sales, and others. A key metric of financial performance in the restaurant industry is annual sales per sq. ft. For example, if a 1200 sq. ft. restaurant recorded $2 million in sales last year, then it sold $1,667 per sq. ft.Executive management wants to know whether the current expansion criteria can be improved. They want to evaluate the effectiveness of the Loyalty Card marketing strategy and identify feasible, actionable opportunities for improvement. As a member of the analytics department, you’ve been assigned the responsibility of conducting a thorough statistical analysis of the company’s available database to answer executive management’s questions.Report: Write a 750-word statistical report that includes the following sections:Section 1: Scope and descriptive statisticsSection 2: AnalysisSection 3: Recommendations and ImplementationSection 1 - Scope and descriptive statisticsState the report’s objective.Discuss the nature of the current database. What variables were analyzed?Summarize your descriptive statistics findings from Excel. Use a table and insert appropriate graphs.Section 2 - Analysis Using Excel, create scatter plots and display the regression equations for the following pairs of variables:“BachDeg%” versus “Sales/SqFt”“MedIncome” versus “Sales/SqFt”“MedAge” versus “Sales/SqFt”“LoyaltyCard(%)” versus “SalesGrowth(%)”In your report, include the scatter plots. For each scatter plot, designate the type of relationship observed (increasing/positive, decreasing/negative, or no relationship) and determine what you can conclude from these relationships. Section 3: Recommendations and implementationBased on your findings above, assess which expansion criteria seem to be more effective.Could any expansion criterion be changed or eliminated? If so, which one and why?Based on your findings above, does it appear as if the Loyalty Card is positively correlated with sales growth? Would you recommend changing this marketing strategy?Based on your previous findings, recommend marketing positioning that targets a specific demographic. (Hint: Are younger people patronizing the restaurants more than older people?)Indicate what information should be collected to track and evaluate the effectiveness of your recommendations. How can this data be collected? (Hint: Would you use survey/samples or census?)PLEASE NO PLAGIARISM, LIST REFERENCES IF NEEDED. PLEASE LET ME KNOW IF YOU HAVE QUESTIONS
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