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Find the mode of the observations 23,27,38,42,27,58,69,71,45.
Question

Find the mode of the observations 23,27,38,42,27,58,69,71,45.

A.

42

B.

27

C.

71

D.

45

Correct option is B

Given:

Observations 23, 27, 38, 42, 27, 58, 69, 71, 45. 

Concept Used: 

The mode of a set of observations is the value that appears most frequently.

Solution:

Count the frequency of each value

  • 23 appears 1 time
  • 27 appears 2 times
  • 38 appears 1 time
  • 42 appears 1 time
  • 58 appears 1 time
  • 69 appears 1 time
  • 71 appears 1 time
  • 45 appears 1 time

The value 27 appears 2 times, which is the highest frequency.

The mode of the given observations is 27.

Thus the correct answer is (B)






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