Statistics in Psychology (MPC-006)
1. Explain in detail about Normal Probability Curve with suitable diagrams.
2. A study was conducted in which the teachers were asked to rate students for a
particular trait on a ten point scale. With the help of data given below find out whether
significant difference exists in the rating of the students by the teachers.
Teachers Students
A B C D E F G
X 7 3 7 1 5 5 5
Y 5 5 9 4 3 5 4
Z 6 3 7 1 3 5 3
3. Test the hypothesis of no difference between the groups by using Mann- Whitney U
test with the help of the following data
Scores obtained by educated women on
attitude towards health
59, 60, 61, 64, 63, 51, 52, 55, 53, 57, 56,
54, 52, 64, 56, 54, 58, 56, 62, 60, 57
Scores obtained by uneducated women
on attitude towards heath
53, 63, 63, 58, 60, 62, 66, 65, 64, 68
SECTION B
Answer the following questions in about 400 words (wherever applicable) each
5x5=25 Marks
4. Calculate coefficient between the following sets of scores using Pearson’s Product
Moment method.
Individuals A B C D E F G H I J
Test A 1 6 7 3 11 9 7 11 14 11
Test B 2 3 5 6 6 8 10 10 12 1312
5. Discuss in detail the measures of central tendency with suitable example.
6. Discuss the procedure of ANOVA.
7. With the help of following data, determine both the regression equations
Psychology (X): Mean= 30, Standard deviation=1.6
Sociology (Y): Mean= 25, Standard deviation= 1.7
Coefficient of correlation = 0.95
8. A research was carried out in which the students of mathematics and literature were
asked to express their preference for lecture method and group discussion method.
The data obtained is given below. Find out whether the preference for a method is
dependent on the subject taken by the students.
Students Preference for Lecture
Method
Preference for Group
Discussion method
Mathematics 3 12
Literature 5 10
SECTION C
Answer the following in about 50 words each 10x3=30 Marks
9. Hypothesis
10. Level of Significance
11. Histogram
12. Point estimation
13. Type 1 error
14. Point biserial correlation
15. Degree of freedom
16. Variance
17. Scatter plot
18. Wilcoxon Test
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