Refer to Exercise 62 in Chapter 3. Advertising expenses are a significant component of
Chapter 0, Problem 14(choose chapter or problem)
Refer to Exercise 62 in Chapter 3. Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 60 manufacturing companies located in the Southwest. The mean expense is $52.0 million and the standard deviation is $11.32 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability distribution? Use the .05 significance level.
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