Advertising expenses are a significant component of the cost

Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 73 manufacturing companies located in the Southwest. The mean expense is $50.14 million and the standard deviation is $11.49 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability distribution?

Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 73 manufacturing companies located in the Southwest The mean expense is $50.14 million and the standard deviation is $11.49 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability distribution? Advertising Expense (S Million) 25 up to 35 35 up to 45 45 up to 5:5 55 up to 6!5 65 up to 75 Number of Companies 12 29 15 Total 73 State the decision rule. Use the.01 significance level. (Round your answer to 3 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 Ho if X2 Compute the value of chi-square. (Round your answer to 4 decimal places.) Chi-square value What is your decision regarding Ho? (Click to select) H. This data (Click to select) from a normal distribution

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