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Westkost [7]
3 years ago
7

What is the mad of 5,7.50,8.25,8,9.75,10.25,11,10.75 A 13 B 8.81 C 6 D 1.63

Mathematics
2 answers:
Molodets [167]3 years ago
6 0

Answer:

B

Step-by-step explanation:

5+7.50+8.25+8+9.75+10.25+11+10.75 = 70.5

70.5 \div 8 = 8.8125

schepotkina [342]3 years ago
6 0

Answer:

1.63

Step-by-step explanation:

first we find the average of the numbers listed...do this by adding up all the numbers, then dividing by how many numbers there are.

(5 + 7.5 + 8.25 + 8 + 9.75 + 10.25 + 11 + 10.75) / 8 = 70.5 / 8 = 8.8125

now find the distance between the average and each of ur numbers.... IGNORE ALL NEGATIVE SIGNS

5 - 8.8125 = 3.8125

7.5 - 8.8125 = 1.3125

8.25 - 8.8125 = 0.5625

8 - 8.8125 = 0.8125

9.75 - 8.8125 = 0.9375

10.25 - 8.8125 = 1.4375

11 - 8.8125 = 2.1875

10.75 - 8.8125 = 1.9375

now take the average of those numbers

(3.8125 + 1.3125 + 0.5625 + 0.8125 + 0.9375 + 1.4375 + 2.1875 + 1.9375) / 8 =

13/8 = 1.625...rounds to 1.63 <=== this is ur MAD

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