Comparing Dot Plots Center and Spread

Which statement is true?

• Airplane A has a lesser median

• Airplane B has a greater range

• Airplane A has a less predictable flight length

• Airplane B a lesser IQR

Which group has a smaller interquartile range?

• Group A

• Group B

• They're the same.

• You can't tell.

Which store sells at least 65 wristbands daily 25% of the time?

• Store A

• Store B

• Both

• You can't tell.

Answer the question pictured.

• A

• B

• C

• D

Which statement is true based on the box plots?

• Plot 2 has a larger spread than plot 1.

• Plot 1 and plot 2 have a center score of 60.

• Plot 1 has a minimum of 30 and plot 2 has a maximum score of 75.

• Plot 2 has a larger IQR than plot 1.

Answer the question pictured.

• F

• G

• H

• J

A random sample of 21 students at Daulton Elementary and at Spenser Elementary is asked how many sibling they have. The results are pictured. When comparing the two populations, which statement is NOT supported by the data?

• The students at Spenser Elementary tend to have more siblings than the students at Daulton Elementary.

• The range in the data for Daulton Elementary is the same as the range in the data for Spenser Elementary.

• The median number of siblings for Daulton Elementary is larger than the median number of siblings for Spenser Elementary.

• The students at both elementary schools tend to have 2 or more siblings.

Noah conducted a survey on sports participation. He created the following two dot plots to represent the number of students participating, by age, in soccer and basketball.

Which statement about the given data sets is correct?

• The data for soccer players are skewed right. 

• The data for soccer players have less spread than the data for basketball players.

• The data for basketball players have the same median as the data for soccer players.

• The data for basketball players have a greater mean than the data for soccer players.