Cody wants to compare how students in two grades use the school library. For one week, he records the number of books taken out each day. Which statement is likely to be true, based

on Cody's sample?

BOOKS TAKEN OUT OF THE SCHOOL LIBRARY

Monday Tuesday

7th Grade

6 books

6 books

Wednesday Thursday Friday

7 books 11 books 5 books

10 books 10 books 16 books

8th Grade

4 books

5 books

On average, 8th graders take out 2 more books a day than 7th graders.

The range of books in the sample is twice as great for 7th graders as compared to 8th graders.

The median number of books in the sample for 7th grade is 7.

8th graders take out fewer books than 7th graders.

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.  

step-by-step explanation:

se a cavasery6