1. |
## A numerical value used as a summary measure for a sample, such as a sample mean, is known as a |

A. | population parameter |

B. | sample parameter |

C. | sample statistic |

D. | population mean |

Answer» C. sample statistic |

2. |
## Statistics branches include |

A. | applied statistics |

B. | mathematical statistics |

C. | industry statistics |

D. | both a and b |

Answer» D. both a and b |

3. |
## To enhance a procedure the control charts and procedures of descriptive statistics are classified into |

A. | behavioural tools |

B. | serial tools |

C. | industry statistics |

D. | statistical tools |

Answer» A. behavioural tools |

4. |
## Sample statistics are also represented as |

A. | lower case greek letter |

B. | roman letters |

C. | associated roman alphabets |

D. | upper case greek letter |

Answer» B. roman letters |

5. |
## Individual respondents, focus groups, and panels of respondents are categorised as |

A. | primary data sources |

B. | secondary data sources |

C. | itemised data sources |

D. | pointed data sources |

Answer» A. primary data sources |

6. |
## The variables whose calculation is done according to the weight, height and length and weight are known as: |

A. | flowchart variables |

B. | discrete variables |

C. | continuous variables |

D. | measuring variables |

Answer» C. continuous variables |

7. |
## A method used to examine inflation rate anticipation, unemployment rate and capacity utilisation to produce products is classified as |

A. | data exporting technique |

B. | data importing technique |

C. | forecasting technique |

D. | data supplying technique |

Answer» C. forecasting technique |

8. |
## Graphical and numerical methods are specialized processes utilised in |

A. | education statistics |

B. | descriptive statistics |

C. | business statistics |

D. | social statistics |

Answer» B. descriptive statistics |

9. |
## The scale applied in statistics which imparts a difference of magnitude and proportions is considered as |

A. | exponential scale |

B. | goodness scale |

C. | ratio scale |

D. | satisfactory scale |

Answer» C. ratio scale |

10. |
## Review of performance appraisal, labour turnover rates, planning of incentives and training programs and are examples of |

A. | statistics in production |

B. | statistics in marketing |

C. | statistics in finance |

D. | statistics in personnel management |

Answer» D. statistics in personnel management |

11. |
## Which one is correct for a binomial distribution? |

A. | mean = variance |

B. | mean > variance |

C. | mean < variance |

D. | mean ≤ variance |

Answer» B. mean > variance |

12. |
## In a binomial distribution, n =5 mean equals 2, what is the value of q? |

A. | .40 |

B. | .50 |

C. | .60 |

D. | .70 |

Answer» C. .60 |

13. |
## Three fair coins tossed simultaneously what is the probability to get exact 2 head? |

A. | 3/8 |

B. | 2/8 |

C. | 1/8 |

D. | 1 |

Answer» A. 3/8 |

14. |
## In a binomial distribution variance found to be 1 and q=1/2, what is the value of n? |

A. | 10 |

B. | 5 |

C. | 6 |

D. | 4 |

Answer» D. 4 |

15. |
## In a basket there are 5 red balls and 3 black balls, what is the probability to select 2 balls from that in which one is black and one is red? |

A. | 2/8 |

B. | 5/8 |

C. | 8/28 |

D. | 15/28 |

Answer» D. 15/28 |

16. |
## What is true for a poison Distribution? |

A. | mean = variance |

B. | mean > variance |

C. | mean < variance |

D. | mean ≤ variance |

Answer» A. mean = variance |

17. |
## A statement about a population developed for testing is called |

A. | hypothesis |

B. | hypothesis testing |

C. | level of significance |

D. | test-statistic |

Answer» A. hypothesis |

18. |
## Any hypothesis, which are tested for the purpose of rejection under the assumption that it is true, is called |

A. | null hypothesis |

B. | alternative hypothesis |

C. | statistical hypothesis |

D. | composite hypothesis |

Answer» A. null hypothesis |

19. |
## The alternative hypothesis is also called |

A. | null hypothesis |

B. | statistical hypothesis |

C. | research hypothesis |

D. | simple hypothesis |

Answer» C. research hypothesis |

20. |
## A rule or formula that provides a basis for testing a null hypothesis is called |

A. | test-statistic |

B. | population statistic |

C. | both of these |

D. | none of the above |

Answer» A. test-statistic |

21. |
## The range of test statistic-t is |

A. | 0 to ∞ |

B. | 0 to 1 |

C. | -∞ to +∞ |

D. | -1 to +1 |

Answer» C. -∞ to +∞ |

22. |
## If Ho is true and we reject it is called |

A. | type-i error |

B. | type-ii error |

C. | standard error |

D. | sampling error |

Answer» A. type-i error |

23. |
## A passing student is failed by an examiner, it is an example of |

A. | type-i error |

B. | type-ii error |

C. | best decision |

D. | all of the above |

Answer» A. type-i error |

24. |
## 1 – α is also called |

A. | confidence coefficient |

B. | power of the test |

C. | size of the test |

D. | level of significance |

Answer» A. confidence coefficient |

25. |
## 1 – α is the probability associated with |

A. | type-i error |

B. | type-ii error |

C. | level of confidence |

D. | level of significance |

Answer» A. type-i error |

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Quantitative Methods for Economic Analysis 2 Important MCQs,
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