answer key

Answer Key of Assessment  1  

Assessment Questions

1.       Gender is the example for which kind of measurement of scale

Nominal

2.       Variance is the measure of

                Dispersion

3.       Age is the example for

Continuous variable

4.       Mode is

Common observation of distribution

5.       Skewness measures

Shape of the distribution

6.       T test is used for

Comparison

7.       Which among below is not the measure of variability

Median

8.       ANOVA  is used when

Testing difference between more than two groups

9.       In Statistics, the distance or dispersion from the central value is classified as

                  Standard deviation

10.   The price of gasoline for three days are as 98, 96, 97, 100 then the value of standard deviation is

                     None of the above

11.   The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation?

35.7%

12.   The sum of the deviations about the mean is always:

Zero

Answer Key of Assessment  2  

                                                            Assessment Questions

1. Characteristic of a population is known as

A. Sample

B. Statistic

C. Parameter

D. Variable

2. Which one of the following is not a probability sampling?

A. Quota sampling

B. Cluster sampling

C. Stratified Sampling

D. None of the above

3. Snowball sampling is used when

A. Minimum knowledge about population

B. difficult to locate rare population

C. Population is large

D. none of the above

4. Likert scale is

A. Comparative scale

B. Non Comparative scale

C. Continuous scale

D. Constant sum scale

5. Which of the below is not an ingredient of Statistical tests

A. Null hypothesis

B. Alternate hypothesis

C. Level of significance

D. Collection of data

6. Temperature is the example of

A. Nominal

B. Interval

C. Ratio

D. Ordinal

7. Type 1 error is

A.  H₀ is rejected when it is true

B.  H₀ is accepted when it is false

C. biasing error

D. None of the above

8. Semantic differential scale is

A. 7 point scale

B. Unipolar scale

C. Agreement scale

D. Disagreement scale

9. Sample is denoted by

A. N

B. n

C. β

D. µ

10. Which of the following is related to testing of hypothesis

A   parameter

B.   statistic

C.  Null Hypothesis

D.  All the above

11. Which of the following is not a part of Statistical inference

A. Parametric tests

B. Non parametric tests

C. Point Estimation

D. Organising data

12.  Standard deviation is denoted by

A. σ

B. α

C. ∑

D. π

Answer Key of Assessment  3 

Assessment Questions

                                                      

1. The research study carried out with the help of data points (either primary or secondary)is termed as_________

c. Empirical                                                   

2. The Census carried out by the Government of India is an example

c. Descriptive research                                 

3. The practice of showing someone’s work/idea/paper as one’s own without proper acknowledgement is termed as_________

b. Plagiarism

                                     

4. The depth of any research can be judged by:

        b. objectives of the research

5. The first step of research is :

                                                           

d. Identifying a problem

6. Books and records are the primary sources of data in:

          a. historical research                          

                         

7. The factual aims are most important in

         a. Historical researches                         

                                   

8. After the data has been edited, the next step is to            

c. Classify it                                       

9. Data collected from published books are called

            b. Secondary data

                                               

10. A researcher divides the populations into PG graduates and 10+2 students and using the random digit table he selects some of them from each. This is technically called

b. Stratified random sampling

                       

11. Field-work based research is classified as:

            a. Empirical                                                                            

12. The study in which the investigators attempt to trace an effect is known As

b. Ex-post Facto Research

13. The t – test was developed by _______. 

A. William Gosset

14 Assume the cholesterol levels in a certain population have mean µ = 180 and standard deviation σ = 24. The cholesterol levels for a random sample of n = 9 individuals are measured and the sample mean = 200 is determined. What is the value of t statistics? *

A. 2.5

                                               Answer Key of Assessment  4 

                                               Assessment Questions

                                                           

Q1. What is the range of correlation coefficient ?

A) -1 to +1

Q2. When the sample size is 40, which of the following test will be used

B) Z-test

Q3. Equation Y=βo + β1 X1 + β2 X2 represents a tool for:

b) Multivariate Analysis

Q4. When value of one variable increases while that of other variable decreases, what kind of correlation it is?

b) Negative

Q5. Conjoint analysis is an example of:

B) Multivariate Analysis

Q6. Standard deviation is a measure;

A)   Dispersion

Q7. person who write for the author while remaining anonymous known as

a )Ghost writer

Q8. “plagiarism is now considered academic dishonesty and a breach of journalistic ethics.”

a ) statement is true

Q9. “we should acknowledge our source when our own examination or conclusion is dependent on that source..”

a ) statement is true

Q 10. “maximum punishment in plagiarism declared as per Section of fraud (IPC)..”

a ) statement is true

Q 11. Random sampling is also called:

(a) Probability sampling

Q 12. Sample is a sub-set of: *

(a) Population

A.