# BPC-004 Statistics in Psychology Solved Assignment 2017-18

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Assignment Code: BPC-004/ASST/TMA/2017-18

Course Name: Statistics in Psychology

## Description

BPC-004 Solved Assignment For IGNOU BDP

Course Name: Statistics in Psychology

For July 2017 and January 2018 Admission Cycle

Questions answered in this solution:

Q. 1. What is descriptive statistics? Discuss the statistics techniques of organising data.

Q. 2. Find out whether correlationship exists between the following sets of scores using Pearson’s Product Moment Coefficient of Correlation.
Data X 23 23 32 34 34 45 43 22 12 12
Data Y 10 10 12 14 15 19 17 10 24 25

Q. 3. With the help of ‘t’ test find whether significant difference exists in the scores obtained by the two groups of students on achievement motivation.
Group A 43 34 45 56 54 56 66 43 23 21
Group B 10 9 8 7 4 5 12 12 12 14

Answer the following questions in about 400 words (wherever applicable) each.
Q. 4. Compute mean, median, mode for the following data
23,34,45,43,32,23,43,23,43,45,56,65,67,77,34,23,12,23,45,43,12,23,23,23,23,23,34,34,
45,65,67,65,54,33,56,76,78,76,54,45,43,33,44,56,54,43,34

Q. 5. Explain linear and nonlinear relationship with suitable diagram and discuss in detail the direction of
correlation with suitable examples.

Q. 6. Compute Kendall’s tau for the following data:
A B C D E
DataX 5 1 2 3 4
DataY 4 3 1 2 5

Q. 7. Discuss the application of Chi-square test.

Q. 8. What is normal distribution? Describe deviation from normality.

Answer the following in about 50 words each.
Q. 9. Statistics

Q. 10. Measures of dispersion.

Q. 11. Point estimation and interval estimation.

Q. 12. Level of significance

Q.13. Pictograms.

Q. 14. Scatter diagram.

Q. 15. Outliers

Q. 16. Point- Biserial Correlation.

Q. 17. Probability.

Q. 18. Standard error.

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