Measures of Center & Outliers
The following are the weights of a sample of female high school students:

08 |8

09 | 5 2 0 9

10 | 4 9 3

11 | 5 9 8 3

12 | 3 9 7 7 6

14 | 0 6 3

15 | 4 1 7 2

18 | 5

This table, for example, indicates that one female weighs 88 pounds and that no female students weigh between 130 and 139 pounds.

(a) Find the mean weight.



(b) Find the median weight.


(c) Find the mode.

answer: 40.95

step-by-step explanation:

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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