Make a box-and-whisker plot of the data. Find the interquartile range.
7,9,11, 12, 13, 15, 12, 17, 18, 12,9,7,12, 15, 18, 10
6
7
8
9
10
11 12 13 14
15 16 17 18 19
Interquartile range: 5.5
1 12 13 14
15 16
17 18 19
Interquartile range: 5
14
15 16
17 18 19
6 7 8 9 10 11 12 13
Interquartile range: 5
6 7 8 9 10 11 12 13 14 15 16 17 18 19
Interquartile range: 5.5

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in