Choose all of the values that are less than the mean of the data set shown. 4, 6, 7, 9, 10, 4, 6, 5, 4
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8.1

4.9

6

6.2

7

Step-by-step explanation:

4, 6, 7, 9, 10, 4, 6, 5, 4

First we will order them least to greatest.

4,4,4,5,6,6,7,9,10

Now we will add them all up.

We get 55.

Now we will divide 55 by the amount of numbers there are (9).

55/9= 6.11111

SO 4.9 and 6 are both less than the mean of the data set.

b

step-by-step explanation:

b

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2