Question

Given Below is a sample consisting of the ages of motorcyclists 37, 38, 27, 14, 28,...

Given Below is a sample consisting of the ages of motorcyclists

37, 38, 27, 14, 28, 34, 14, 42, 33, 60

Provide the calculation of the usual interval using the mean and the standard deviation.

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Answer #1

Let the random variable X denotes the ages of motorcyclists

The given data is 37, 38, 27, 14, 28, 34, 14, 42, 33, 60.

Standard deviation = s = 13.47

Choose level of significance = 0.05

The required confidence interval is

Here n = 10

Hence the required interval is

[23.06, 42.34].

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