stat q5
Overweight people often become desperate because they different diets without success. Sara, a nutritionist wishes to test the efficiency of one –month diet program being undertaken by 7 candidates .she recorded their weights at the start and end of the program .the result is shown as bellow
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Before |
After |
|
1 |
68 |
65.5 |
|
2 |
78 |
74.2 |
|
3 |
95 |
90.1 |
|
4 |
85 |
80.3 |
|
5 |
69 |
66.3 |
|
6 |
64 |
61.9 |
|
7 |
73 |
70.1 |
At α=0.02 to test the efficiency of the diet program. Assume normal distribution for the paired difference
