TCS Ninja Elementary Statistics Quiz-1

Question 1

Time: 00:00:00
Find the H.M of 9 and 64

36.5

36.5

24

24

15.78

15.78

34

34

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Question 2

Time: 00:00:00
The weight of 40 students are given below

Find the mean weight

37.25kg

37.25kg

37.5kg

37.5kg

37.45kg

37.45kg

37.75kg

37.75kg

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Question 3

Time: 00:00:00
Find A.M from the data given below:

34.6

34.6

34.2

34.2

34.7

34.7

34.4

34.4

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Question 4

Time: 00:00:00
Marks obtained by a student in 5 subjects are given as

History - 23
Civics - 35
Economics - 46
Hindi - 30 and
English 32.

If the weightage given to these subjects be 1, 1, 2, 3, 5 respectively, then find the weightage mean.

33.2

33.2

33.3

33.3

33.4

33.4

33.1

33.1

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Question 5

Time: 00:00:00
Find the mode from the data given below:

16.2

16.2

16.3

16.3

16.7

16.7

16.6

16.6

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Question 6

Time: 00:00:00
Find the median of the frequency distribution:

28.87

28.87

28.85

28.85

28.83

28.83

28.88

28.88

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Question 7

Time: 00:00:00
Find the mean deviation of 10, 9, 21, 16, 24

5.2

5.2

5.1

5.1

5.3

5.3

5.5

5.5

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Question 8

Time: 00:00:00
Set={1, 2, 2, 3, 3, 3, 4, 4, 4, 4}

Evaluate the following expression for the above given set of numbers:

3(mean) + 2(mode) – 6(median)

Zero

Zero

1

1

-1

-1

2

2

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Question 9

Time: 00:00:00
In a moderately skewed distribution, it is known that the mode is 7 and the  median is 5. Find the mean of the distribution ?

10

10

8

8

6

6

4

4

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Question 10

Time: 00:00:00
Given below are the scores of a batsman in his last 7 innings.
165, 180, 181, 163, 172, 180, 162
Find the median score of the batsman.

180

180

170

170

131

131

172

172

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["0","40","60","80","100"]
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