GraphsGr. 8

Presenting data to show relationships using charts.

Which type of graph would best show the growth of the plant?

For a science experiment Joey is measuring the growth of a bean plant. Joey measures the height of the plant every Monday for two months.

A. line graph B. circle graph C. bar graph D. box-and-whisker plot

Answer:

A. line graph

On a stem-and-leaf plot,

if the key reads “2 l 7 = 270” what numbers would this represent?

3 l 1 1 3 5 E. 31, 31, 33, 35 F. 301, 301, 303, 305 G. 310, 310, 330, 350 H. 3010, 3010, 3030, 3050

Answer:

G. 310, 310, 330, 350

Which of these Values is not used to create a box-and-whisker plot?

A. minimum B. maximum C. median D. mode

Answer:

D. mode

Create a bar graph with this data on Pro Basketball players and the colleges they attended.

North

U

East U West U South U

Center U

5 4 2 3 4

Answer:

Pro Basketball Players

0

1

2

3

4

5

6

North U East U West U South U Center U

Colleges

Number of Players

Sketch a graph of this equation:

y = ½ x – 3

Answer:

-3

2 4-2

y

x