Tim took a random survey of 20 sixth graders and 20 eighth graders. He asked how many hours a week each played sports. His data
is shown in the two dot plots below.
What is the difference between the median number of hours that 6 graders play sports and the median number of hours that 8 graders play sports?
What is the difference between the median number of hours that 6 graders play sports and the median number of hours that 8 graders play sports?
1 answer:
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9514 1404 393
Answer:
72
Step-by-step explanation:
Enter the expression into your calculator.
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If you're doing this by hand, follow the Order of Operations. The expression is the difference of a quotient and a product. The quotient is on the left, so it is figured first.
252÷3 = 84
The product is figured next.
3(4)(1) = 12(1) = 12
Then the difference is figured:
84 -12 = 72
The simplified result is 72.
