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Q.

The following were the results of a test taken by 20 students: 5,6,8,9,10,11,11,12,13,13,14,14,15,15,15,16,16,18,19,20 The mode is

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a

20

b

10

c

15

d

25

answer is C.

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Detailed Solution

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The mode in statistics is the most frequently observed value in a set of data.

The mode of the normal distribution has the same value as the mean and median.

In many cases, the modal value will differ from the data's average value. 5,6,8,9,10,11,11,12,13,13,14,15,15,15,16,16,18,19,20 are the terms.

The numbers repeating are 11, 13, 15 and 16.

NumberNo of times it is repeating
112
132
153
162

The number 15 appears the most frequently (3 times).

As a result, 15 is the mode.

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The following were the results of a test taken by 20 students: 5,6,8,9,10,11,11,12,13,13,14,14,15,15,15,16,16,18,19,20 The mode is