Statistical Measures and Displays

The table lists the five counties with the largest area in the state of Texas. Which measure of central tendancy best represents the average size of these counties?

• Mean

• IQR

• Mode

• Range

Which of the following is an appropriate display to show the heights of adults arranged by intervals?

• F. bar graph

• G. line graph

• H. circle graph

• I. histogram

3. What are the third and first quartiles of the data?

• A. 40, 30

• B. 140, 80

• C. 140, 0

• D. 80, 30

4. What percent of homes were on the market between 40 and 140 days?

• F. 25%

• G. 50%

• H. 75%

• I. 100%

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

5. What is the mean of the data?

• A. 15

• B. 17.5

• C. 22.5

• D. 25

Tags

CCSS.6.SP.B.5C

6. Which of the following describes the shape of the data distribution?

• F. There is a peak at 15.

• H. There is a gap from 25-30.

• G. There is a cluster from 5-15.

• I. It is not symmetric.

Which of the following is true?

• F. the data is not symmetric

• G. peak at 4

• H. no gaps

• I. no mode

Which would you use to describe the spread of the data?

• A. clusters

• B. interquartile range

• C. range

• D. mean absolute deviation

Tags

CCSS.6.SP.A.3

How many cameras cost less than $100?

• F. 2

• G. 7

• H. 8

• I. 18

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which price range has the least frequency?

• A. $0–$99

• B. $300–$399

• C. $100–$199

• D. $400–$499

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1