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Hypothesis Test

Hypothesis Test

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Hypothesis

Student’s Name

Institution

STEP 1:

A sample collected is true random when it is not bias to any issue. In order to ensure that the sample is random, various methods can be used to draw the sample from a population and will be using random numbers. This numbers can be selected using sample of n=12 men and n=8 women from the population of men and women and this should be done using random numbers and therefore, this will make sure that the sample obtain is truly random.

STEP 2:

Men

Women

Time

Exercise per week

Favorite

Time

Exercise per week

Favorite

1

0.22

3

Aerobic

1

0.22

3

Aerobic

2

0.22

3

Push up

2

0.2

3

Push up

3

0.2

5

Aerobic

3

0.19

5

Aerobic

4

0.19

4

Aerobic

4

0.18

4

Cardiovascular

5

0.18

4

Cardiovascular

5

0.2

4

Push up

6

0.2

0

N/P

6

0.22

0

N/P

7

0.22

2

Aerobic

7

0.19

5

Aerobic

8

0.26

3

Aerobic

8

0.25

2

Flexibility

9

0.23

3

Cardiovascular

10

0.22

4

Aerobic

11

0.25

0

NP

12

0.2

3

Aerobic

Mean

0.216

2.833333333

5

0.20625

3.25

Std

0.024

1.527525232

2

0.02264

1.669045921

STEP 3:

Mean for men = 2.833mean for Women =0.206

Standard Deviation for men= 1.5275Standard deviation for women = 1.6690

2.) The Median number of days per week exercised

Media for number of days for men = 3 and for women 3.5

3.) The Mode of the favorite exercise

The mode of the favorite exercise for men is Aerobics and for women is Aerobics and Cardiovascular

4.) The 90% confidence interval of the mean

The needed 90% confidence interval of the mean for women = (0.205, 0.252) and for men (0.20, 0.23)

STEP 4:

The two groups are significant differences. The hypothesis tested obtained that alpha is more than 0.05 and therefore, the null hypothesis is rejected. This means that there are significant differences between the two groups.

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