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Nadusha1986 [10]
3 years ago
11

The sales manager gathered information on the numbers of sales calls made and the number of copiers sold for a random sample of

sales representative. Is there a positive correlation between calls made and copiers? Test at the 0.05 level of significance. Determine the 90% prediction interval for 60 number of calls made. *
Calls,X Sold. Y
20 40
20 50
40 60
50 90
40 80
20 40
40 60
30 60
Mathematics
1 answer:
N76 [4]3 years ago
6 0

Answer:

b

Step-by-step explanation:

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