Question

DATA:

20.15
10.22
6.22
16.60
5.98
20.62
2.64
7.20
17.13
1.47
17.22
29.62
2.98
13.28
2.72
17.26
12.17
13.36
5.58
17.36
20.29
1.23
7.24
3.44
14.99
6.41
3.17
15.95
8.23
10.55
1.81
3.74
17.28
2.00
9.62
13.97
20.34
5.06
7.36
17.92
6.17
5.74
9.57
1.63
3.62
11.62
10.14
19.04
10.49
12.78
1.82
18.10
10.37
8.90
2.79
6.61
2.91
6.83
1.12
1.95
3.84
11.08
21.60
11.54
6.63

QUESTIONS:

1) Donnelly's Business Statistics has a data set concerning the revenue from a set of Nigerian cell phone customers. Use that data which is here to answer this question. What is the average revenue per customer? Answer to at least two decimal places.

2)Donnelly's Business Statistics has a data set concerning the revenue from a set of Nigerian cell phone customers. Use that data which is here to answer this question; the data set values are the revenue from the customers. What is the test statistic for the hypothesis that average revenue per customer is $11? Answer to at least two decimal places.

3) Donnelly's Business Statistics has a data set concerning the revenue from a set of Nigerian cell phone customers. Use that data which is here to answer this question; the data set values are the revenue from the customers. What is the positive version of the critical value for the hypothesis that average revenue per customer is $11 at the .05 level of significance? Answer to at least two decimal places.

Answer 1