Summarizing Data

Which data set does the line plot represent?

• 0, 2, 2, 3, 3, 4, 6, 9, 9, 9, 10, 10
• 0, 2, 3, 3, 3, 3, 4, 9, 9, 10, 10, 10
• 0, 2, 3, 3, 3, 4, 6, 9, 9, 10, 10, 10
• 0, 2, 3, 3, 4, 4, 5, 6, 9, 9, 10, 10

Kendra asked her friends how many pets they each had in their family. Her results are shown below.
4, 2, 1, 1, 0, 2, 7, 3, 1, 0, 0

Which (dot plot 1, 2, 3, or 4) is a line plot of the data?

• Dot Plot 1
• Dot Plot 2
• Dot Plot 3
• Dot Plot 4

Which data are represented by the stem-and-leaf plot?

• 7, 8, 9, 7, 8, 9, 8, 9
• 75, 85, 95, 76, 86, 96, 87, 97
• 57, 58, 59, 67, 68, 69, 78, 79
• 57, 58, 59, 76, 86, 96, 87, 97

Which is the correct box-and-whisker plot for the data set?
7, 13, 9, 15, 11, 7, 11

• Box Plot 1
• Box Plot 2
• Box Plot 3
• Box Plot 4

The line plot shows the number of medals won by the fifteen 6th-grade classes that participated in a mini-Olympics. Where do most of the scores cluster?

• around 10
• at the higher end of the range
• around 15
• at the lower end of the range

The number of people per household for a street with 15 houses is shown.
What statement best describes the shape of the distribution of the data set?

• Skewed right
• Skewed left
• Symmetric
• Has two peaks

Hector surveyed all the sixth graders at his school about their favorite after-school activity.
The table shows the results that were used to make a bar graph.
Which percentage bar graph best represents the data?

• Option A
• Option B
• Option C
• Option D

The stem-and-leaf plot below shows the number of calendars students sold to raise money for the school band. How many students sold more than 6 calendars?

• 11
• 9
• 10
• 8

A traffic engineer is collecting counts of how many cars are on one street during a specific time each day. The results are shown in the histogram. How many days did the traffic engineer collect data?

• 13
• 38
• 74
• The number of days cannot be determined.

Which question is a statistical question that may show variability?

• How many students are in your math class?
• How tall are the students in your math class?
• How tall is Tranh?
• Is Tranh taller than Silvia?