30 pts ! markin brainiest !
determine the iqr of this data set. then indicate whether the data set contains any outliers. explain how you determined this.
10 13 15 12 12 4 12 17
12 13 15 18 10 11 20 19

4.5

Step-by-step explanation:

The IQR (interquartile range) is the range of the 75% and the 25%, so the middle 50%. We can find this by:

Put the set in numerical order: 4, 10, 10, 11, 12, 12, 12, 12, 13, 13, 15, 15, 17, 18, 19, 20

Split this list in half: 4, 10, 10, 11, 12, 12, 12, 12 | 13, 13, 15, 15, 17, 18, 19, 20

Find the medians of these two lists: 11.5, 16

Subtract: 16 - 11.5 = 4.5

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

$15 each

step-by-step explanation:

$45/3 children= $15 each