# BPC 004 STATISTICS IN PSYCHOLOGY Solved Assignment

BPC 004 STATISTICS IN PSYCHOLOGY

Solved Assignment

NOTE: All Questions Are Compulsory. The answers are to be written in own words. Do not copy from the course material or any other source.

SECTION A

Answer the following question in about 1000 words each (wherever applicable)

1. Discuss the meaning and types of statistics.

2. Calculate Spearman’s Rank Order Correlation for the following data

 DATA A 5 4 7 5 8 5 6 6 4 3 DATA B 8 8 3 6 6 9 2 8 8 6

3. The scores obtained by the two groups of students on achievement motivation scale are given as follows, compute t test and find if significant difference exists between the two groups:

 DATA A 45 56 54 44 34 57 78 32 22 22 DATA B 34 34 55 42 46 32 25 64 24 25

SECTION B

Answer the following questions in about 400 words (wherever applicable)

1. Compute mean, median, mode for the following data 63,47,85,36,37,53,64,62,76,68,66,12,66,345,4,9,52,32

2. Compute standard deviation for the following data:

12, 23, 32, 34, 43, 66, 54, 56, 65, 54, 67 9 3.

Explain parametric and nonparametric statistics and discuss their advantages and disadvantages.

4. Explain the properties of normal distribution.

5. Compute Chi-square for the following data:

 Gender Responses Agree Disagree Male 21 49 Female 49 21

SECTION C

Answer the following in about 50 words each 10x3=30 Marks

1. Skewness and Kurtosis

2. Interval estimation

3. Quartile deviation

4. Variance

5. Properties of Median

6. Nonlinear relationship

7. Test of Homogeneity

8. Standard error

9. Scatter diagram

10. Frequency polygon

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