The Time Spent Watching Television (Per Day) of 121 Women

question 124

Essay

The time spent watching television (per day) of 121 women between the ages of 55 and 64 had a standarddeviation of 42 minutes. The time spent watching television (per day) of a random sample of 121 womenbetween the ages of 25 and 34 had a standard deviation of 56 minutes. Test the hypothesis that the olderwomen are from a population with a variance less than that for women in the 25 to 34 age group.Use α = 0.05. Assume the samples were randomly selected from normal populations.

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Definitions:

Average Number

A mathematics term referring to the sum of a list of numbers divided by the count of numbers in the list.

λ

A symbol often used to represent the rate at which events occur in a Poisson process, typically events per unit time.

μ

A symbol commonly used in statistics and mathematics to represent the mean or average of a set of numbers.

Finite Population

A population set that contains a limited number of observations or elements.