A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results:
= 33.4.
= 2814.4.
The 95% prediction interval for a particular person making 30 calls is _______.
A) 55.8, 51.5
B) 51.4, 55.9
C) 46.7, 60.6
D) 31.1, 76.2
Correct Answer:
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