Make confidence intervals for? the population variance

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The number of hours of reserve capacity of 10 randomly selected automotive batteries is shown to the right.

1.74 1.86 1.58 1.64 1.72

1.93 1.34 1.52 1.47 2.04

The sample is taken from a normally distributed population. Construct 95?% confidence intervals for? (a) the population variance σ2 and? (b) the population standard deviation σ.

(a) The confidence interval for the population variance is ?

(b)The confidence interval for the population standard deviation is ?

Reference no: EM132857134

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