Mathematics-Statistics (NSTSE (National Science Talent Search Exam- Unified Council) Class 10): Questions 1 - 8 of 44

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Question number: 1

» Mathematics » Statistics

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Question

In the calculation of mode, =

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

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Among 20 employees, the average salary of 19 is Rs. 30. The 20th employee has the salary exceeds the average of 20 employees by Rs. 19 then average salary of all employees (in Rs. ) is

Choices

Choice (4) Response

a.

30

b.

33.50

c.

31

d.

39

Question number: 3

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The median of the scores 45,20,38,20.4,5.9,1.3 is

Choices

Choice (4) Response

a.

20.4

b.

20.2

c.

5.9

d.

20

Question number: 4

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One of the properties of Mode is

Choices

Choice (4) Response

a.

Not easy to calculate

b.

Difference of greatest and least values

c.

It is not affected by greatest and least values

d.

Algebraic

Question number: 5

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The mode of 11,16,22,11,17,22,16,22,17,11,22 is

Choices

Choice (4) Response

a.

11

b.

16

c.

17

d.

22

Question number: 6

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If the median is 46.1 and each item is increased by 1.9, the new median will be

Choices

Choice (4) Response

a.

48

b.

47.1

c.

46.9

d.

No change

Question number: 7

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The mean and median for a unimodal data are 67,67.3 respectively then the mode is

Choices

Choice (4) Response

a.

69.8

b.

67.9

c.

65.6

d.

71.2

Question number: 8

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1 - 10,11 - 20,21 - 30, are the classes. The lower limit of the class 21 - 30 is

Choices

Choice (4) Response

a.

21

b.

30.5

c.

30

d.

20.5

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