HELP GETS BRAINLIST! AND POINTS! (08.03 LC) The two dot plots below compare the forearm lengths of two groups of schoolchildren:
Forearm Length, Group A
10
11 12 13
Length (inches)
Forearm Length, Group B
10 11 12 13
Length (inches)
Based on the visual inspection of the dot plots, which group appears to have the longer average forearm length?

group A has longer average

Step-by-step explanation:

the average for group A : 11+11+12+12+12+12+13+13+13+13= 122/10=12.2

the average for group B : 10+10+10+10+10+11+11+12+12+12=108/10=10.8

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the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).