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Help with these three problems? Please

Help with these three problems? Please-example-1

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6. add the averages then take that average

50+74 = 124, 124/2 = 62

answer: 62

8. first put all the numbers in order

4, 5 ,6 ,8 11, 12,14, 15, 23 ,23

Find the middle number, since there are 10 numbers find the average of the 2 middle numbers

11+12 =23/2 =11.5

Lower half data = 4, 5, 6, 8, 11

The middle number of that set is Q1,

Q1=6

9

9, find q3

1, 2, 3, 5, 5, 6, 9

Find middle number (5)

upper half data = 5, 6, 9

Q3= 5 , 6, 9 = 5+10 +15 = 30

so answer is $30

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