The mode of the dataset 2, 3, 5, 5, 7, 7, 7, 9 is: MCQ with Answer and Explanation

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The mode of the dataset 2, 3, 5, 5, 7, 7, 7, 9 is:

A. Both 5 and 7

B. 7

C. 7.7

D. 5

Answer: Option B

Solution (By JKExamLibrary)

7 appears three times, more than any other value, so mode = 7.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

The neonatal mortality rate in India is about:

A. 50 per 1000

B. 20 per 1000 live births

C. 35 per 1000

D. 25 per 1000

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Correct Answer: Option B

Explanation:
NMR is around 20-23 per 1000 in recent years.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

For two attributes A and B, the condition for independence is:

A. (αβ) = 0

B. (A) = (B)

C. (AB) = (A)(B)

D. (AB)/N = (A)/N × (B)/N

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Correct Answer: Option D

Explanation:
Independence means the proportion of both attributes equals the product of individual proportions.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

A bag contains 3 red, 5 black balls. Two balls are drawn at random. The probability that they are of different colors is:

A. 15/28

B. 1/2

C. 15/56

D. 3/8

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Correct Answer: Option A

Explanation:
Total ways C(8,2)=28. 1 red 1 black = 3×5=15. Probability=15/28.

This question belongs to: Accountancy and Statistics Statistics

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