Question

1. The data set below shows the prices of 6 randomly selected high definition television sets. Calculate the range, variance and standard deviation for the data set below. Show your calculations and interpret your results in context of the problem.

$399.05   $559.90   $690.99   $480.95   $732.50   $625.79

Range: Interpretation:

Variance: Interpretation:

Standard deviation: Interpretation:

2. The data set below shows the ages of 10 randomly selected drivers who recently filed car insurance claims. Calculate the range, variance, standard deviation and 5 – Number Summary for the data set below. Show your calculations and interpret your results in context of the problem.

51     50    47    50    48     41    59     47     45    37

Range: Interpretation:

Variance: Interpretation:

Standard Deviation: Interpretation:

5 – Number Summary:

Answer 1