Data Analysis Review

How many students scored more than 80%?

• 10

• 13

• 7

• 15

How many more students solved the puzzle in 14 or more minutes than solved the puzzle in 11 or less minutes?

• 10

• 7

• 8

• 3

The dot plot displays the phone call length (min.) for students. How many students had calls greater than 4 minutes?

• 5

• 4

• 3

• 6

Tom asked people in a survey how much money they could find under their sofa cushions. The stem-and-leaf plot shows the amounts of money. What is the least amount of money a person said they could find?

• 4 cents

• 45 cents

• 46 cents

• 456 cents

• A

• B

• C

• D

Students at Cooper Elementary school took a survey about what kinds of pets they had at home. Then, students plotted that information on a frequency table.
How many kids have dogs and cats for pets?

• 19

• 12

• 7

• 20

Molly collected data about the number of hours students studied and their scores on a test. The results are shown in the scatter plot. Which statement about the data is true?

• As study hours increase, test scores decrease.

• As study hours increase, test scores increase.

• As study hours increase, test scores stay the same.

• As study hours decrease, test scores increase.