Weight losses of 12 persons in an experimental 1-week diet program are given below: XXXXXXXXXX:2 XXXXXXXXXX XXXXXXXXXX Do these results indicate that a mean weight loss was achieved? (Use α = 0:05)....

Weight losses of 12 persons in an experimental 1-week diet program are given below:

3.0 1.4 0.2 21:2

5.3 1.7 3.7 5.9

0.2 3.6 3.7 2.0

Do these results indicate that a mean weight loss was achieved? (Use α = 0:05).

In Exercise 1, determine whether a mean weight loss of more than 1 lb was achieved. (Use α = 0:01.)

Exercise 1

Weight losses of 12 persons in an experimental 1-week diet program are given below:

3.0 1.4 0.2 21:2

5.3 1.7 3.7 5.9

0.2 3.6 3.7 2.0

Do these results indicate that a mean weight loss was achieved? (Use α = 0:05).