The mode of the data: 2, 4, 4, 6, 6, 6, 8, 8 is: MCQ with Answer and Explanation

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The mode of the data: 2, 4, 4, 6, 6, 6, 8, 8 is:

A. 4

B. No mode

C. 6

D. 8

Answer: Option C

Solution (By JKSSB Mock Tests)

6 appears three times, more than any other value.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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If a student’s speed is 60 km/h for half the distance and 40 km/h for the other half, the average speed is:

A. 50 km/h

B. 48 km/h

C. 45 km/h

D. 52 km/h

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Correct Answer: Option B

Explanation:
Harmonic mean of 60 and 40 = 2/(1/60 + 1/40) = 48 km/h.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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For two attributes, if (AB)=20, (Aβ)=30, (αB)=10, (αβ)=40, then N is:

A. 80

B. 90

C. 110

D. 100

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Correct Answer: Option D

Explanation:
N = 20+30+10+40 = 100.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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If a constant 10 is added to all the observations, the median will:

A. Increase by 10

B. Decrease by 10

C. Multiply by 10

D. Remain the same

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Correct Answer: Option A

Explanation:
Median, like mean, is affected by change of origin; it increases by the same constant.

This question belongs to: Accountancy and Statistics Statistics

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