# IGNOU BPC-004 QUESTION PAPER DECEMBER 2018

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No. of Printed Pages : 3 BPC-004

BACHELOR’S DEGREE PROGRAMME (BDP)
(B.A. PSYCHOLOGY)
Term-End Examination
December, 2018
BPC-004 : STATISTICS IN PSYCHOLOGY

Time : 2 hours                                                                                                                                Maximum Marks : 50

Note : (i) All sections are compulsory.
(ii) Use of Simple Calculator can be permitted.

## IGNOU BPC-004 QUESTION PAPER DECEMBER 2018

SECTION – A
Answer any two of the following questions in about 450 words each : 2×10=20

1. Explain the meaning of statistics and describe its scope and use.
2. Discuss the concept of dispersion and describe the types of measures of variability/dispersion.
3. What is correlation ? Compute Pearson’s product moment correlation for the following data :
Individuals

A     B     C    D     E

Scores on    5    10    25  10  15
Test – I
Scores on    6     4     6    4     10
Test – II

4. Compute chi-square for the following data : 10

Early                  Late

Boys               25                       30
Girls               30                       20

Critical value = 3.841 at 0.05 level of significance 6.635 at 0.01 level of significance.

SECTION – B
Answer any four of the following questions in about 250 words each : 4×6=24

5. What is tabulation of data ? Discuss the components of a statistical table.
6. Compute mean, median and mode for the following data :
30, 40, 50, 10, 12, 19, 20, 20, 26, 24,
25, 30, 22, 32, 64, 67, 68, 69, 70, 71
7. Compute standard deviation for the following data :
10, 15, 12, 13, 14, 15, 16, 21, 7, 8
9. Define probability. Describe the characteristics and application of normal curve.

SECTION – C
Write short notes on any two of the following in about 100 words each : 2×3=6

10. Level of significance. 3
11. Average deviation. 3
12. Outliers. 3

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1. September 5, 2019

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