5.5 Averages and probability  (Page 5/9)

$3$ , $8$ , $2$ , $2$ , $5$

$6$ , $1$ , $9$ , $3$ , $4$ , $7$

$65$ , $13$ , $48$ , $32$ , $19$ , $33$

$34$ , $45$ , $29$ , $61$ , and $41$

$202$ , $241$ , $265$ , $274$

$525$ , $532$ , $558$ , $574$

Four girls leaving a mall were asked how much money they had just spent. The amounts were $\text{\$0}$ , $\text{\$14.95}$ , $\text{\$35.25}$ , and $\text{\$25.16}$ . Find the mean amount of money spent.

Juan bought $5$ shirts to wear to his new job. The costs of the shirts were $\text{\$32.95}$ , $\text{\$38.50}$ , $\text{\$30.00}$ , $\text{\$17.45}$ , and $\text{\$24.25}$ . Find the mean cost.

The number of minutes it took Jim to ride his bike to school for each of the past six days was $21$ , $18$ , $16$ , $19$ , $24$ , and $19$ . Find the mean number of minutes.

Norris bought six books for his classes this semester. The costs of the books were $\text{\$74.28}$ , $\text{\$120.95}$ , $\text{\$52.40}$ , $\text{\$10.59}$ , $\text{\$35.89}$ , and $\text{\$59.24}$ . Find the mean cost.

The top eight hitters in a softball league have batting averages of $.373$ , $.360$ , $.321$ , $.321$ , $.320$ , $.312$ , $.311$ , and $.311$ . Find the mean of the batting averages. Round your answer to the nearest thousandth.

The monthly snowfall at a ski resort over a six-month period was $60.3,$ $79.7,$ $50.9,$ $28.0,$ $47.4,$ and $46.1$ inches. Find the mean snowfall.

$24,19,18,29,21$

$48,51,46,42,50$

$4,8,1,5,14,3,1,12$

$3,9,2,6,20,3,3,10$

Last week Ray recorded how much he spent for lunch each workday. He spent $\text{\$6.50}$ , $\text{\$7.25}$ , $\text{\$4.90}$ , $\text{\$5.30}$ , and $\text{\$12.00}$ . Find the median.