The dot plot and box plot show different displays of the ages of runners on a track team.
A dot plot titled Age of Runners goes from 7 to 12. There are 2 dots above 7, 1 above 8, 3 above 9, 2 above 10, 3 above 11, and 2 above 12.

A box-and-whisker plot. The number line goes from 7 to 12 in increments of 0.5. The whiskers range from 7 to 12, and the box ranges from 8.5 to 11. A line divides the box at 10.
Which statements best describe the dot plot or box plot? Check all that apply.
Add the number of dots above each age in the dot plot to find the number of players on the team: 2 + 1 + 3 + 2 + 3 + 2 = 13.
Subtract the maximum and minimum values of the box plot to find the number of players on the team: 12 – 7.
The median appears clearly on the dot plot at the center of the number line: 9.5.
The median appears clearly on the box plot at the line within the box: 10.
The dot plot is the only display that can be used to show the variability of the data.
The box plot is the only display that can be used to show the variability of the data.

answer 1 and 4

Step-by-step explanation:

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step-by-step explanation:

see below

step-by-step explanation:

7.   there are 10 data points in the set.   the middle point is between 5 and 6.   the middle point in the top half is 8   and the middle point in the bottom half is 3. to find the iqr , take point 8 and subtract point 3

mid term   point 8 = 100   point 3 = 88

iqr = 100-88 = 12

final   point 8 = 93   point 3 = 78

iqr = 93 - 78 = 15

the final has the greatest iqr

6.   b - there is a high data value that causes the data set to be asymmetrical for the males: the data for males are high and asymmetrical .   there is an outlier for the males that skews the data

5.   the   iqr is a better measure of spread for the movies and basketball games.   since the basketball game has an outlier, we do not want to use standard deviation for measurement.  

3.   the exam median is much higher than the class median.   the median line is farther to the right on the exams

2.   there is no way to tell what the means are from the box and whisker plots.