The Commute Times (In Minutes) of 20 Randomly Selected Adult $\begin{array} { l l l l l l l l l l } 70 & 72 & 71 & 70 & 69 & 73 & 69 & 68 & 70 & 71 \end{array}$

question 96

Essay

The commute times (in minutes) of 20 randomly selected adult males are listed below. Test the claim that thevariance is less than 6.25. Use α = 0.05. Assume the population is normally distributed. $\begin{array} { l l l l l l l l l l } 70 & 72 & 71 & 70 & 69 & 73 & 69 & 68 & 70 & 71 \end{array}$
$\begin{array} { l l l l l l l l l l } 67 & 71 & 70 & 74 & 69 & 68 & 71 & 71 & 71 & 72 \end{array}$

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Social units consisting of individuals related by blood, marriage, or other relational bonds, often forming the basic unit of society.

Effective Average

A measure that represents an average value weighted according to the relevance or importance of different components.

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