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Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 66 manufacturing companies located in the Southwest. The mean expense is $50.00 million and the standard deviation is $11.23 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability distribution? Advertising Expense ($ Million) 25 up to 35 35 up to 45 45 up to 55 55 up to 65 65 up to 75 Total Click here for the Excel Data File State the decision rule. Use the 0.01 significance level. (Round your answer to 2 decimal places.) Ho: The population of advertising expenses follows a normal distribution. H₁: The population of advertising expenses does not follow a normal distribution. Reject H0 if chi- square > Compute the value of chi-square. (Round your answer to 2 decimal places.) Chi-square value Number of Companies 6 16 23 14 7 66 Do not reject What is your decision regarding Ho? HO. This data 0.34 could be from a normal distribution.

Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 66 manufacturing companies located in the Southwest. The mean expense is $50.00 million and the standard deviation is $11.23 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability distribution? Advertising Expense ($ Million) 25 up to 35 35 up to 45 45 up to 55 55 up to 65 65 up to 75 Total Click here for the Excel Data File State the decision rule. Use the 0.01 significance level. (Round your answer to 2 decimal places.) Ho: The population of advertising expenses follows a normal distribution. H₁: The population of advertising expenses does not follow a normal distribution. Reject H0 if chi- square > Compute the value of chi-square. (Round your answer to 2 decimal places.) Chi-square value Number of Companies 6 16 23 14 7 66 Do not reject What is your decision regarding Ho? HO. This data 0.34 could be from a normal distribution.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 66 manufacturing companies located in the Southwest. The mean expense is $50.00 million and the standard deviation is $11.23 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability distribution? Advertising Expense ($ Million) 25 up to 35 35 up to 45 45 up to 55 55 up to 65 65 up to 75 Total Reject H0 if chi- square > Chi-square value Number of Click here for the Excel Data File State the decision rule. Use the 0.01 significance level. (Round your answer to 2 decimal places.) Ho: The population of advertising expenses follows a normal distribution. H₁: The population of advertising expenses does not follow a normal distribution. Companies 6 Do not reject Compute the value of chi-square. (Round your answer to 2 decimal places.) HO. This data 16 23 14 7 66 0.34 What is your decision regarding Ho? could be from a normal distribution.
Transcribed Image Text:Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 66 manufacturing companies located in the Southwest. The mean expense is $50.00 million and the standard deviation is $11.23 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability distribution? Advertising Expense ($ Million) 25 up to 35 35 up to 45 45 up to 55 55 up to 65 65 up to 75 Total Reject H0 if chi- square > Chi-square value Number of Click here for the Excel Data File State the decision rule. Use the 0.01 significance level. (Round your answer to 2 decimal places.) Ho: The population of advertising expenses follows a normal distribution. H₁: The population of advertising expenses does not follow a normal distribution. Companies 6 Do not reject Compute the value of chi-square. (Round your answer to 2 decimal places.) HO. This data 16 23 14 7 66 0.34 What is your decision regarding Ho? could be from a normal distribution.
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