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

Question

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

Quizplus · Accepted Answer

The Answer of 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

A Sales Manager for an Advertising Agency Believes There Is