7th Grade Math

Test PracticeT

544 Statistical Displays

C 19. OPEN ENDED Give an example of a data set that would be best

represented in a line graph.

20. CHALLENGE Determine if the following statement is true or false. Explain
    your reasoning.
    A line plot can be used to display data from a histogram.


21. CHALLENGE Which display(s) allows you to easily determine the range of
    the data set? Explain your reasoning.


22. REASONING Determine if the following statement is always, sometimes,
    or never true. Justify your response.
    A circle graph can be used to display data from a bar graph.


23. E WRITE MATH What type of data would be most appropriate to
    display in a histogram?


24. Moira surveyed 25 of her classmates to find out how many E-mails they received. Which
    of the following displays gives the most detail about the data?
    A. C.

012 345678 910

/VNCFS
PG
&NBJMT
3FDFJWFE
&BDI
8FFL

6–8

36%

3–5

40%

0–2

20%

9–11

4%

Number of E-mails Received Each Week

B.

8

12

4

0

People

6

10

2

E-mails

0–2 3–5 6–8 9–11

Number of E-mails

Received Each Week

D.

Number of People

1

0

3

4

2

5

Number of E-mails

152 3 46789

Number of E-mails

Received Each Week

534_545_C09_L4_895130.indd 544 1/11/10 9:46 AM