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Question 1) Find the distance between the parallel planes -4x+y-3z=0 and 8x-2y+6z=4
Question 2) The line IR^3 through point P(3,1,-1) parallel to l1: (5,-2,6)+ t<4,0,-2>
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Stanford University Probability Distributions Calculations
Imagine if you were offered a job in a different state and a major consideration for you is rent prices (assuming you plan ...
Stanford University Probability Distributions Calculations
Imagine if you were offered a job in a different state and a major consideration for you is rent prices (assuming you planned to rent instead of buy). Your main concerns are the affordability in relation to your income and the location/condition of the property. Perhaps you would look for the cheapest rent possible within a quiet, residential community. Or, you might be willing to spend at little more than average to live in the heart of downtown. As you research the city, you learn that the mean for rents of your preferred home size are $1,300 a month. Many people might base their decision on this number alone, but you—equipped with the knowledge of standard deviation—know there is more to that number.If the most you could afford is $1,100 a month in rent, then a standard deviation of $250 might be good news because the amount you can afford is still within 1 deviation of the mean. With a standard deviation of $75, however, you might be unwilling to make the sacrifices necessary to rent a place that you could afford. Additionally, if you were willing to spend a little more than average to live in a nice place or area, then you could easily find an amazing place with a standard deviation of $100 but might not be able to afford the upgrade with a standard deviation of $300.In this Discussion, you will use the data that you gathered in the Week 1 Discussion to calculate a standard deviation and explain how this concept can affect decision making.To prepare for this Discussion:Review this week’s Learning Resources.Locate the data that you gathered for the Week 1 Discussion.Calculate the sample standard deviation from your cigarette price data in Week 1. Use that (and your sample average and sample size) to calculate the following (assuming a normal distribution):Within what range would you find 90% of cigarette prices in your area?What are the chances that someone in your area would pay 4 dollars or less per pack?What are the chances that someone in your area would pay 10 dollars or less per pack?Review the Academic Writing Expectations for 2000/3000-Level Courses, provided in this week’s Learning Resources.BY DAY 3Post a 150- to 225-word (2- to 3-paragraph) explanation of how probability distributions affect management decisions. In your explanation, address the following:Provide your results of the following:Your calculations for your standard deviationThe range within which 90% of the prices of cigarettes in your area fallsThe chances of anyone paying less than 4 dollars for a pack of cigarettesThe chances of anyone paying more than 10 dollars for a pack of cigarettesDescribe what implications this concept has for management decision making.Explain how you might use information like this in your current work.To support your response, be sure to reference at least one properly cited scholarly source.
Hypothetical sales
You manage Human Relations for your company. One of your sales managers has retired, leaving an opening. You are conside ...
Hypothetical sales
You manage Human Relations for your company. One of your sales managers has retired, leaving an opening. You are considering two different employees for the position. Both are highly qualified so you have decided to evaluate their sales performance for the past year. The data showing a sample of their respective sales performance is in the Excel worksheet.1. Annual sales data is provided for a sample of 50 employees.Determine the range of values in which you would expect to find the average weekly sales for the entire sales force in your company 90% of the timeWhat is the impact of increasing the confidence level to 95%?*What is the impact of increasing the sample size to 150, assuming the same mean and standard deviation, but allowing the confidence level to remain at 90%?*2. You want to determine whether there is a statistically different average weekly sales between Sales Rep A and Sales Rep B.Create Null and Alternative Hypothesis statements that would allow you to determine whether their sales performance is statistically different or not.Based on your hypothesis statements, provide an example of a Type I and a Type II error, respectively.Using a significance level of .05, conduct a t-test of independent samples when the standard deviation of the population is unknown to compare the average weekly sales of the two candidates. (NOTE: YOU CAN DO THIS VERY QUICKLY IN EXCEL USING THE DATA ANALYSIS TOOLPAK!)What is the p-value? Based on the p-value, is there a statistically significant difference between the two reps being considered for the manager's position? Explain your reasoning.Who would you recommend to be promoted to Sales Manager - Rep A or Rep B? Why?All Sales Representatives are expected to meet an average weekly sales quota of $4500.Create Null and Alternative Hypothesis statements that would allow you to determine whether the weekly sales of the individual you have decided to promote in #4 (Rep A or Rep B) exceeds the company quota.Based on your hypothesis statements, provide an example of a Type I and a Type II error, respectively.Using a significance level of .05, conduct a one sample mean hypothesis test to determine whether the performance of your chosen candidate exceeds the quota by a statistically significant amount?What is the p-value?Based on the p-value, what is your conclusion? SAMPLE - WEEKLY SALES SAMPLE OF WEEKLY SALES FOR REP A AND B # Sales Rep Weekly Sales $ Week # Weekly Sales - A Weekly Sales - B 1 1228 1 4657 5839 2 7374 2 6133 2602 3 1055 3 3438 2830 4 1859 4 7394 4763 5 3938 5 4327 3740 6 1692 6 2552 1315 7 569 7 7063 1599 8 4059 8 7844 1629 9 3689 9 6898 2416 10 607 10 4003 2107 11 1370 11 6884 4237 12 3735 12 4007 6322 13 3305 13 7214 2710 14 7228 14 2358 5890 15 6279 15 7745 5119 16 1671 16 1337 5184 17 5708 17 1052 3439 18 2569 18 6056 4828 19 4163 19 1495 3667 20 1519 20 3530 2518 21 7734 21 4749 6073 22 784 22 3833 5566 23 6766 23 7869 4555 24 7261 24 4541 5867 25 5034 25 6882 6039 26 7115 26 3868 1032 27 6291 27 5934 4834 28 6287 28 4447 3687 29 2080 29 5504 2214 30 7621 30 5554 4659 31 1047 32 6517 33 5172 34 3876 35 5429 36 4538 37 3786 38 2510 39 4863 40 7246 41 1175 42 641 43 4269 44 7034 45 3406 46 2256 47 3182 48 5178 49 4428 50 1189
Mean,Median,Mode, Statistics MATH016 help
Mean,Median,ModeFor Exercise1, Questions 8 & 10 do histogram and Polygon instead of stem leaf display. All t ...
Mean,Median,Mode, Statistics MATH016 help
Mean,Median,ModeFor Exercise1, Questions 8 & 10 do histogram and Polygon instead of stem leaf display. All the pictures have the questions and the tables in order to solve them.Homework must be done in PDF or Word.doc
PSY/315 - Statistical reasoning in Psychology Worksheet homework help
Provide a response to the following questions. Written responses should be at least 30 to 45 words each.
PSY/315 - Statistical reasoning in Psychology Worksheet homework help
Provide a response to the following questions. Written responses should be at least 30 to 45 words each.
MM 207 PUG Statistics Population Proportion Questions
Sample statistics, such as the sample mean or the sample proportion, can be used to estimate a population parameter (such ...
MM 207 PUG Statistics Population Proportion Questions
Sample statistics, such as the sample mean or the sample proportion, can be used to estimate a population parameter (such as the population mean or the population proportion). For example, you can estimate the true mean weight of all newborn babies in the entire world by collecting a sample and using that sample to generate a 95% confidence interval. Because the sample is a relatively little portion of the entire population, errors will have to be considered. Using a sample to create a range or interval of values that estimates a population value is called a “confidence interval.” The formula for calculating a 95% confidence interval for a population mean is: The general “Confidence Interval” formula is: sample mean – E < population mean < sample mean + E To calculate a confidence interval, the margin of error (E) must first be calculated. The Margin of Error, E, for means is: E = 1.96*s/sqrt(n), where s is the sample standard deviation, n is the sample size. The “sqrt” stands for square root. The Margin of Error, E, for proportions is: E = 1.96*sqrt[p*(1-p)/n], where n is the sample size, and p is the proportion. Use the Confidence Interval formula above, and the correct formula for E, to calculate the 95% confidence interval for any population mean of your choice. Write down (invent) the sample size (be sure it is 30 or above), the sample mean, and the sample standard deviation. Then, calculate the confidence interval. Remember, you are inventing all the values, so no two posts should look the same. Use the Confidence Interval formula above, and the correct formula for E, to calculate the 95% confidence interval for any population proportion of your choice. Write down (invent) the sample size (be sure it is 30 or above) and the sample proportion. Then, calculate the confidence interval. Remember, you are inventing all the values, so no two posts should look the same. Hint: The PowerPoint Guides has great examples to learn from before creating your own unique and original example.
MATH 156 CSU Coefficient and Standard Deviation Discussion
The coefficient of variation and the standard deviation are two measures of variability or dispersion among data values.
Y ...
MATH 156 CSU Coefficient and Standard Deviation Discussion
The coefficient of variation and the standard deviation are two measures of variability or dispersion among data values.
Your task for this discussion is as follows:
Provide two different sets of ten data points each as examples.
Calculate the standard deviation and coefficient of variation for each data set being sure to attach your Excel file to show your work.
Explain which of the two mentioned measures can more accurately specify which of these two data sets has more variability or dispersion in their data values, and why.
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Most Popular Content
Stanford University Probability Distributions Calculations
Imagine if you were offered a job in a different state and a major consideration for you is rent prices (assuming you plan ...
Stanford University Probability Distributions Calculations
Imagine if you were offered a job in a different state and a major consideration for you is rent prices (assuming you planned to rent instead of buy). Your main concerns are the affordability in relation to your income and the location/condition of the property. Perhaps you would look for the cheapest rent possible within a quiet, residential community. Or, you might be willing to spend at little more than average to live in the heart of downtown. As you research the city, you learn that the mean for rents of your preferred home size are $1,300 a month. Many people might base their decision on this number alone, but you—equipped with the knowledge of standard deviation—know there is more to that number.If the most you could afford is $1,100 a month in rent, then a standard deviation of $250 might be good news because the amount you can afford is still within 1 deviation of the mean. With a standard deviation of $75, however, you might be unwilling to make the sacrifices necessary to rent a place that you could afford. Additionally, if you were willing to spend a little more than average to live in a nice place or area, then you could easily find an amazing place with a standard deviation of $100 but might not be able to afford the upgrade with a standard deviation of $300.In this Discussion, you will use the data that you gathered in the Week 1 Discussion to calculate a standard deviation and explain how this concept can affect decision making.To prepare for this Discussion:Review this week’s Learning Resources.Locate the data that you gathered for the Week 1 Discussion.Calculate the sample standard deviation from your cigarette price data in Week 1. Use that (and your sample average and sample size) to calculate the following (assuming a normal distribution):Within what range would you find 90% of cigarette prices in your area?What are the chances that someone in your area would pay 4 dollars or less per pack?What are the chances that someone in your area would pay 10 dollars or less per pack?Review the Academic Writing Expectations for 2000/3000-Level Courses, provided in this week’s Learning Resources.BY DAY 3Post a 150- to 225-word (2- to 3-paragraph) explanation of how probability distributions affect management decisions. In your explanation, address the following:Provide your results of the following:Your calculations for your standard deviationThe range within which 90% of the prices of cigarettes in your area fallsThe chances of anyone paying less than 4 dollars for a pack of cigarettesThe chances of anyone paying more than 10 dollars for a pack of cigarettesDescribe what implications this concept has for management decision making.Explain how you might use information like this in your current work.To support your response, be sure to reference at least one properly cited scholarly source.
Hypothetical sales
You manage Human Relations for your company. One of your sales managers has retired, leaving an opening. You are conside ...
Hypothetical sales
You manage Human Relations for your company. One of your sales managers has retired, leaving an opening. You are considering two different employees for the position. Both are highly qualified so you have decided to evaluate their sales performance for the past year. The data showing a sample of their respective sales performance is in the Excel worksheet.1. Annual sales data is provided for a sample of 50 employees.Determine the range of values in which you would expect to find the average weekly sales for the entire sales force in your company 90% of the timeWhat is the impact of increasing the confidence level to 95%?*What is the impact of increasing the sample size to 150, assuming the same mean and standard deviation, but allowing the confidence level to remain at 90%?*2. You want to determine whether there is a statistically different average weekly sales between Sales Rep A and Sales Rep B.Create Null and Alternative Hypothesis statements that would allow you to determine whether their sales performance is statistically different or not.Based on your hypothesis statements, provide an example of a Type I and a Type II error, respectively.Using a significance level of .05, conduct a t-test of independent samples when the standard deviation of the population is unknown to compare the average weekly sales of the two candidates. (NOTE: YOU CAN DO THIS VERY QUICKLY IN EXCEL USING THE DATA ANALYSIS TOOLPAK!)What is the p-value? Based on the p-value, is there a statistically significant difference between the two reps being considered for the manager's position? Explain your reasoning.Who would you recommend to be promoted to Sales Manager - Rep A or Rep B? Why?All Sales Representatives are expected to meet an average weekly sales quota of $4500.Create Null and Alternative Hypothesis statements that would allow you to determine whether the weekly sales of the individual you have decided to promote in #4 (Rep A or Rep B) exceeds the company quota.Based on your hypothesis statements, provide an example of a Type I and a Type II error, respectively.Using a significance level of .05, conduct a one sample mean hypothesis test to determine whether the performance of your chosen candidate exceeds the quota by a statistically significant amount?What is the p-value?Based on the p-value, what is your conclusion? SAMPLE - WEEKLY SALES SAMPLE OF WEEKLY SALES FOR REP A AND B # Sales Rep Weekly Sales $ Week # Weekly Sales - A Weekly Sales - B 1 1228 1 4657 5839 2 7374 2 6133 2602 3 1055 3 3438 2830 4 1859 4 7394 4763 5 3938 5 4327 3740 6 1692 6 2552 1315 7 569 7 7063 1599 8 4059 8 7844 1629 9 3689 9 6898 2416 10 607 10 4003 2107 11 1370 11 6884 4237 12 3735 12 4007 6322 13 3305 13 7214 2710 14 7228 14 2358 5890 15 6279 15 7745 5119 16 1671 16 1337 5184 17 5708 17 1052 3439 18 2569 18 6056 4828 19 4163 19 1495 3667 20 1519 20 3530 2518 21 7734 21 4749 6073 22 784 22 3833 5566 23 6766 23 7869 4555 24 7261 24 4541 5867 25 5034 25 6882 6039 26 7115 26 3868 1032 27 6291 27 5934 4834 28 6287 28 4447 3687 29 2080 29 5504 2214 30 7621 30 5554 4659 31 1047 32 6517 33 5172 34 3876 35 5429 36 4538 37 3786 38 2510 39 4863 40 7246 41 1175 42 641 43 4269 44 7034 45 3406 46 2256 47 3182 48 5178 49 4428 50 1189
Mean,Median,Mode, Statistics MATH016 help
Mean,Median,ModeFor Exercise1, Questions 8 & 10 do histogram and Polygon instead of stem leaf display. All t ...
Mean,Median,Mode, Statistics MATH016 help
Mean,Median,ModeFor Exercise1, Questions 8 & 10 do histogram and Polygon instead of stem leaf display. All the pictures have the questions and the tables in order to solve them.Homework must be done in PDF or Word.doc
PSY/315 - Statistical reasoning in Psychology Worksheet homework help
Provide a response to the following questions. Written responses should be at least 30 to 45 words each.
PSY/315 - Statistical reasoning in Psychology Worksheet homework help
Provide a response to the following questions. Written responses should be at least 30 to 45 words each.
MM 207 PUG Statistics Population Proportion Questions
Sample statistics, such as the sample mean or the sample proportion, can be used to estimate a population parameter (such ...
MM 207 PUG Statistics Population Proportion Questions
Sample statistics, such as the sample mean or the sample proportion, can be used to estimate a population parameter (such as the population mean or the population proportion). For example, you can estimate the true mean weight of all newborn babies in the entire world by collecting a sample and using that sample to generate a 95% confidence interval. Because the sample is a relatively little portion of the entire population, errors will have to be considered. Using a sample to create a range or interval of values that estimates a population value is called a “confidence interval.” The formula for calculating a 95% confidence interval for a population mean is: The general “Confidence Interval” formula is: sample mean – E < population mean < sample mean + E To calculate a confidence interval, the margin of error (E) must first be calculated. The Margin of Error, E, for means is: E = 1.96*s/sqrt(n), where s is the sample standard deviation, n is the sample size. The “sqrt” stands for square root. The Margin of Error, E, for proportions is: E = 1.96*sqrt[p*(1-p)/n], where n is the sample size, and p is the proportion. Use the Confidence Interval formula above, and the correct formula for E, to calculate the 95% confidence interval for any population mean of your choice. Write down (invent) the sample size (be sure it is 30 or above), the sample mean, and the sample standard deviation. Then, calculate the confidence interval. Remember, you are inventing all the values, so no two posts should look the same. Use the Confidence Interval formula above, and the correct formula for E, to calculate the 95% confidence interval for any population proportion of your choice. Write down (invent) the sample size (be sure it is 30 or above) and the sample proportion. Then, calculate the confidence interval. Remember, you are inventing all the values, so no two posts should look the same. Hint: The PowerPoint Guides has great examples to learn from before creating your own unique and original example.
MATH 156 CSU Coefficient and Standard Deviation Discussion
The coefficient of variation and the standard deviation are two measures of variability or dispersion among data values.
Y ...
MATH 156 CSU Coefficient and Standard Deviation Discussion
The coefficient of variation and the standard deviation are two measures of variability or dispersion among data values.
Your task for this discussion is as follows:
Provide two different sets of ten data points each as examples.
Calculate the standard deviation and coefficient of variation for each data set being sure to attach your Excel file to show your work.
Explain which of the two mentioned measures can more accurately specify which of these two data sets has more variability or dispersion in their data values, and why.
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