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A Sales Manager for an Advertising Agency Believes There Is

Question 39

Multiple Choice

A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales.To verify this belief,the following data was collected: A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales.To verify this belief,the following data was collected: The 95% confidence interval for 30 calls is A) 55.8,51.5 B) 51.4,55.9 C) 46.7,60.6 D) 31.1,76.2 The 95% confidence interval for 30 calls is


A) 55.8,51.5
B) 51.4,55.9
C) 46.7,60.6
D) 31.1,76.2

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