Giovanna Kramer

Mathematics

1 December, 09:24

To find out approximately how many hours its residents are spending playing cards at a senior retirement home, the recreation director conducts a random survey. The table below shows the number of hours per week these randomly selected seniors play cards.

Hours Seniors Play Cards

Senior Citizen Hours Played

Joe 6

Mary 2

Bert 8

Frank 11

Elizabeth 10

Janet 9

What is the estimated number of hours all seniors at this retirement home play cards, the population mean, based on the sample and rounded to the nearest whole hour?

7 hours

8 hours

9 hours

10 hours