Data Analysis 7th grade created by Shawna Hyde from released staar questions 2016-2018

Ursula surveyed 50 classmates about their favorite ice cream favors. Each classmate chose one favor. The results are shown in the circe graph.

How many more of Ursula's classmates chose chocolate than chose vanilla?

• 8

• 6

• 34

• 16

The bar graph shows a company's income and expenses over the last 5 years.

Which statement is supported by the information in the graph?

• Expenses have increased $200,000 each year over the last 5 years.

• The income in Year 5 was twice the income in Year 1.

• The combined income in Years 1, 2, and 3 was equal to the combined expenses in Years 1, 2, and 3.

• The combined expenses in Years 3 and 4 were $300,000 more than the combined income in Years 3 and 4.

The graph shows the favorite colors chosen by some middle school students.

Which statement is supported by the information in the graph?

• Fewer than 30% of the students chose red, yellow, or orange as their favorite color.

• More than 1/10 of the students chose pink as their favorite color.

• Exactly 18% of the students chose blue as their favorite color.

• Exactly 2/5 of the students chose green, black, or purple as their favorite color.

The circle graph shows how Tremaine divided his time on the computer last week.

Tremaine used the computer a total of 30 hours last week. How many more hours did Tremaine use the computer to play games than to do research?

• 6 hours

• 20 hours

• 7.5 hours

• 1.5 hours

Maribel surveyed 55 people to find out their favorite types of music. The results are shown in the bar graph.

Based on the information in the graph, which types of music were chosen by 40% of the people surveyed?

• Country and opera

• Jazz and opera

• Jazz, opera, and rock

• Country, jazz, and rock

The circle graph shows Allen's activities during 24 hours.

How much more time in hours did Allen spend listening to music than playing tennis?

• 2.88 hours

• 0.48 hour

• 2.40 hours

• 0.12 hour

The dot plots show the numbers of miles Ian skated on several days in two different months.

Which statement is supported by the information in the dot plots?

• The least number of miles Ian skated on a day in July is greater than the least number of miles Ian skated on a day in August.

• The median number of miles Ian skated each day in July is greater than the median number of miles Ian skated each day in August.

• The mode of the number of miles Ian skated each day in July is less than the mode of the number of miles Ian skated each day in August.

• The range of the number of miles Ian skated each day in July is less than the range of the number of miles Ian skated each day in August.

The box plots show the lengths of the songs on two digital music players in minutes.

Which statement is best supported by the information in the box plots?

• The interquartile range of the data for Music Player X is equal to the interquartile range of the data for Music Player Y.

• The interquartile range of the data for Music Player X is greater than the interquartile range of the data for Music Player Y.

• The median length of the songs on Music Player X is equal to the median length of the songs on Music Player Y.

• The median length of the songs on Music Player X is less than the median length of the songs on Music Player Y.

The box plots show data about the number of years that farmworkers have been employed at each of two farms.

Which statement is best supported by the information in the box plots?

• The range of the data for Farm Y is equal to the range of the data for Farm X.

• The third quartile of the data for Farm Y is less than the third quartile of the data for Farm X.

• The median of the data for Farm Y is greater than the median of the data for Farm X.

• The first quartile of the data for Farm Y is greater than the first quartile of the data for Farm X.

The dot plots show the heights of the players on two basketball teams.

Which statement is best supported by these data?

• The distributions of the data for Team A and Team B are approximately symmetrical.

• The median height of the players on Team B is less than the median height of the players on Team A.

• Team B has a greater range in player heights than Team A has.

• The mode height of the players on Team B is less than the mode height of the players on Team A.