ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 441 - 444 of 471

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Question number: 441

» Statistical Methods » Dispersion

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MCQ▾

Question

What is the relation between the mean deviation (M. D. ) from the mean and the standard deviation (S. D. ) of the A. P.

Choices

Choice (4) Response

a.

S D = M D

b.

S D < M D

c.

S D > M D

d.

No relationship exist between S D and M D

Question number: 442

» Statistical Methods » Dispersion

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MCQ▾

Question

In a study to test the effectiveness of a new variety of wheat, an experiment was performed with 50 experimental fields and the following results were obtained:

Table showing the study to test the effectiveness of a new variety of wheat

experiment was performed with 50 experimental fields

Yield per Hectare (in quintals)

Number of Fields

31 - 35

2

36 - 40

3

41 - 45

8

46 - 50

12

51 - 55

16

56 - 60

5

61 - 65

2

66 - 70

2

The mean yield per hectare is 50 quintals. Determine the standard deviation of the above distribution.

Choices

Choice (4) Response

a.

7.93

b.

7.61

c.

63

d.

58

Question number: 443

» Statistical Methods » Collection, Compilation and Presentation of Data

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MCQ▾

Question

Which of the following statement is/are correct regarding Statistical Presentation of data?

Choices

Choice (4) Response

a.

Mean is a partition value which divides the series into two nearly equal parts and remains the centre of gravity.

b.

Mode of a data remains unaffected in presence of outliers.

c.

Mean is more robust statistics than median.

d.

All of the above

Question number: 444

» Computer Application and Data Processing » Basics of Computer » Operations of a Computer

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MCQ▾

Question

What is the use of CPU in multitasking operating system?

Choices

Choice (4) Response

a.

Multiple programs to be loaded into memory

b.

Execute the programs concurrently

c.

Switching one program to another program

d.

Corrupting address space