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Lady bird [3.3K]
3 years ago
5

To find out approximately how many hours its residents are spending playing cards at a senior retirement home, the recreation di

rector 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
Mathematics
1 answer:
lara31 [8.8K]3 years ago
8 0
The answer is 8 hours
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now, take a look at the picture below, so for 2) and 3) is the vertex of this quadratic equation, 2) is the y-coordinate and 3) the x-coordinate.


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