An experimental diet to induce weight loss was followed for

An experimental diet to induce weight loss was followed for one week by a randomly selected group of 12 students with the following results.

Student

Loss in Pounds

1

2.2

2

2.6

3

0.4

4

2.0

5

0.0

6

1.8

7

5.2

8

3.8

9

4.2

10

3.8

11

1.4

12

2.6

a.

Find a point estimate for the average and the standard deviation for the amount lost after one week on this diet.

b.

Construct a 90% confidence interval for the population mean amount of weight lost for one week on this diet.

 

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