Ques 1.

The following table presents the number of hours a group of school students played video games during the weekends and the test scores attained by each of them in a test, the following Monday. 

(a.) It is believed that a linear relationship exists between the time spent on playing video
games and test score attained. Find out the strength of this linear relationship.
(b.) Estimate the line of best fit in the scenario. Use this line to find the expected test
score for a student who plays video games for 9 hours. 

Ques 2.

A study involves testing whether or not the amount of caffeine consumed affected memory. Fifteen volunteers took part in this study. They were given three types of drink (type A,B and C) containing different levels of caffeine (50 mg, 100 mg, and 150 mg,

Ques 3.

A study involves testing whether or not the amount of caffeine consumed affected memory. Fifteen volunteers took part in this study. They were given three types of drink (type A,B and C) containing different levels of caffeine (50 mg, 100 mg, and 150 mg, respectively). Volunteers were divided into three groups of five each and were assigned the drink groupwise. They were then given a memory test (In terms of number of words remembered from a list). The results are given in the following table:

At significance level of 5%, check whether the mean number of words remembered from the list by the participants belonging to the three groups are significantly different.

Ques 4.

What could be a structured approach to multivariate model building?

Ques 5.

What are the various assumptions on which the multivariate regression analysis rests?

Ques 6.

ANOVA and MANOVA

Ques 7.

Normal distribution curve

Ques 8.

Snowball sampling techniques

Ques 9.

Degrees of freedom

Ques 10.

What is the difference between census and survey? Explain the various stages involved in planning and organizing the censuses and surveys.

Ques 11.

Differentiate between quantitative and qualitative research in the context of data analysis. Discuss tools of data collection used in qualitative research.

Ques 12.

Type I and type II errors

Ques 13.

Phenomenology and Ethnography

Ques 14.

t test and f test

Ques 15.

discrete and continuous variable