Hypothesis tests for population variance The ages at the time of death from disease of a sample of 20 people from a tow

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Hypothesis tests for population variance The ages at the time of death from disease of a sample of 20 people from a tow

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Hypothesis tests for population variance

The ages at the time of death from disease of a sample of 20 people from a town has a variance of 122.11 years. Test whether there is enough evidence to conclude that the variance population is different from 100 years.
Use α = 0.05.
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