Describing and Comparing Data with Dotplots and…

1

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Which interval had the fewest observations?

A

150–160 minutes

B

170–180 minutes

C

180–190 minutes

D

200–210 minutes

2

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There an outlier.

A

is

B

is not

3

The median average gas price is between $ and $.

A

2.00

B

2.25

C

3.50

4

The median average gas price is between $ and $.

A

2.25

B

2.50

C

3.75

5

The varies from $2.00 to $3.75.

A

number of states

B

maximum average gas price

C

average gas price

6

Which statement about the maximum wait time is correct?

A

The maximum wait time cannot be determined, but it is between 150 and 160 minutes.

B

The maximum wait time cannot be determined, but it is between 200 and 210 minutes.

C

The maximum wait time is 170 minutes.

D

The maximum wait time is 210 minutes.

7

The shape of the histogram is and unimodal.

A

roughly symmetric

B

skewed left

C

skewed right

8

Determine which histogram is bimodal.

A

Option

B

Option

C

Option

9

Shape: The distribution of the number of books read for middle school students is and for high school students is .

A

roughly symmetric unimodal

B

skewed to the right unimodal

C

skewed to the left unimodal

10

Center: The median number of books read by middle school students is between . The median number of books read by high school students is between . Therefore, the number of books read by middle school students tends to be the number of books read by high school students.

A

0 and 5

B

5 and 10

C

10 and 15

D

20 and 25

11

Which statement is an advantage of displaying data using a histogram compared with a dotplot or stemplot?

A

You can display individual values.

B

You can precisely compute measures of center.

C

You can precisely compute variability.

D

You can choose bin width.

12

Shape: The distribution of the number of books read for middle school students is and for high school students is .

A

roughly symmetric unimodal

B

skewed to the right unimodal

C

skewed to the left unimodal

13

Center: The median number of books read by middle school students is between . The median number of books read by high school students is between . Therefore, the number of books read by middle school students tends to be the number of books read by high school students.

A

0 and 5

B

5 and 10

C

10 and 15

D

20 and 25

14

Outliers: There appears to be an outlier between and for the number of books read by middle school students. There appear to be an outlier for the number of books read by high school students.

A

0

B

5

C

10

D

15

Center: The median number of books read by middle school students is between . The median number of books read by high school students is between . Therefore, the number of books read by middle school students tends to be the number of books read by high school students.

A

greater than

B

less than

C

about the same as

16

Variability: The number of books read by middle school students vary the number of books read by high school students.

A

more than

B

less than

C

about the same as

17

Outliers: There appears to be an outlier between and for the number of books read by middle school students. There appear to be an outlier for the number of books read by high school students.

A

0

B

5

C

10

D

15

18

Outliers: There appears to be an outlier between and for the number of books read by middle school students. There appear to be an outlier for the number of books read by high school students.

A

does

B

does not

Describing and Comparing Data with Dotplots and Stemplots Answers

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