The U.S.Census Bureau (Annual Social & Economic Supplement)collects demographics concerning the number of people in families per household.Assume the distribution of the number of people per household is shown in the following table: Compute the variance and standard deviation of the number of people in families per household.
A)Variance=1.6499,standard deviation=1.2845
B)Variance=1.2845,standard deviation=1.6499
C)Variance=6.7182,standard deviation=2.5919
D)Variance=2.5919,standard deviation=6.7182

Question

The U.S.Census Bureau (Annual Social & Economic Supplement)collects demographics concerning the number of people in families per household.Assume the distribution of the number of people per household is shown in the following table:  Compute the variance and standard deviation of the number of people in families per household.
A)Variance=1.6499,standard deviation=1.2845 
B)Variance=1.2845,standard deviation=1.6499 
C)Variance=6.7182,standard deviation=2.5919 
D)Variance=2.5919,standard deviation=6.7182

Quizplus · Accepted Answer

The Answer of The U.S.Census Bureau (Annual Social & Economic Supplement)collects demographics concerning the number of people in families per household.Assume the distribution of the number of people per household is shown in the following table:  Compute the variance and standard deviation of the number of people in families per household.
A)Variance=1.6499,standard deviation=1.2845 
B)Variance=1.2845,standard deviation=1.6499 
C)Variance=6.7182,standard deviation=2.5919 
D)Variance=2.5919,standard deviation=6.7182

The USCensus Bureau (Annual Social & Economic Supplement)collects Demographics Concerning the the Number