In: Statistics and Probability
A psychologist developed a training program for self-efficacy and he tested two independent groups of subjects for their change in self-efficacy with and without the training program and he has matched the IQ of the subjects for the control and the experimental groups and listed in the table accordingly. The results were shown below:
Score for experimental group (with training) |
Score for control group |
||
Subject 1 |
11 |
Subject 11 |
10 |
Subject 3 |
18 |
Subject 20 |
12 |
Subject 4 |
19 |
Subject 7 |
16 |
Subject 6 |
15 |
Subject 17 |
14 |
Subject 9 |
14 |
Subject 10 |
13 |
Subject 12 |
16 |
Subject 2 |
15 |
Subject 13 |
14 |
Subject 14 |
13 |
Subject 16 |
12 |
Subject 15 |
12 |
Subject 18 |
15 |
Subject 8 |
14 |
Subject 19 |
19 |
Subject 5 |
20 |
What is the mean score of the control group?
.
What is the standard deviation of the control group?
.
What is the mean score of the experimental group?
.
What is the standard deviation of the experimental group?
.
Please report the statistical test results with test statistics
.
What is the degree of freedom of test statistics?
.
What is the p-value?
.
Please state the true/false of the following statement:
There is no significant difference between the score of the control group and the experimental group.
Select one:
a, True
b, False