Statistics and Econometrics Online Practice Exam 3
Statistics and Econometrics Online Practice Exam 3

Statistics and Econometrics Online Practice Exam 3

NET / SET Online Practice Exams

Statistics and Econometrics

Test

Multi-choice 3

Question

1. In a series of 25 observations, Z (x – 7) = – 8. Then, mean is equal to-

Answers

8

6.68

7.68

7

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Question

2. Total wages paid to the workers in two factories A and B are the same but the modal wage in factory A is larger than the modalwage in factory B. In which factory workers are well off ?

Answers

A

B

Equal in both

Can’t answer

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Question

3.  Which of the following would be an appropriate average for determining the average size of readymade garments ?

Answers

A.M

Mode

Median

Geometric mean

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Question

4. Most appropriate average to determine the size of oranges on a tree is-

Answers

A.M

Median

G.M

Mode

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Question

5. Most appropriate average for qualitative measurement is-

Answers

G.M

Median

A.M

Mode

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Question

6. The most unstable measure of central tendency is

Answers

A.M

G.M

Mode

Median

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Question

7. The sum of deviations of observation is zero when measured from

Answers

G.M

A.M

Median

Mode

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Question

8. The average, most affected by the extreme observations, is

Answers

Mode

G.M

Median

A.M

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Question

9. The most stable average is

Answers

Mode

Median

G.M

A.M

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Question

10. Which of the following is not true ?

Answers

The value of median of a data set gets affected by extreme values that are not representative of the data set

Median is the point below which 50% of the data items fall

Median can be calculated from a grouped data with open ended classes

 Median of a set of ungrouped data can be found out only after arranging them is ascending of descending order

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