INDEPENDENT SAMPLES: An exercise physiologist is interested in examining the effect of a diabetes education intervention (designed to teach parents about healthy eating and physical activity) on the number of diabetes diagnoses that occur within the following year in a sample of pre-diabetic children.A total of 12 families with pre-diabetic children are recruited.Six families were in the diabetes education group and 6 were in the control group.The number of diagnoses for each family are recorded in the Table below.

Family

Group

# of diagnoses in year 1

1

Diabetes education

10

2

Diabetes education

8

3

Diabetes education

5

4

Diabetes education

4

5

Diabetes education

6

6

Diabetes education

10

7

Control

7

8

Control

8

9

Control

9

10

Control

6

11

Control

5

12

Control

9

1. What is your null hypothesis for this research question?
2. Using an independent samples t-test, calculate the observed t-statistic from the data above in Excel.Hint: You'll need to calculate the mean and sum of squares for each group.
3. What is the critical t-value for this research question?Hint: Use the table of critical values and the degrees of freedom to locate this value.The alpha = 0.05.
4. What can you conclude based on your data?Do you reject or fail to reject the null hypothesis?