Staar Data

Which of the following represents the difference in the centers of Mrs. Moore's class and Mrs. Ruiz's class?

• 7

• 11

• 4

• 3

The Thompson Family has a garden in their backyard. Each week, they take the produce to a local farmers market.

Which of the following statements best represents the data?

• Berries are the most preferred plant.

• The number of tomato and pepper plants is greater than the number of lettuce plants.

• One-fourth of the plants are berries.

• The number of tomato plants is half the number of lettuce plants.

Randomly selected students from two different colleges were surveyed about their preferred study times. The results of the survey are shown in the bar graph. Which inference about the preferred study times of all students who attend these two colleges is best supported by this information?

• There are more students who attend College X than students who attend College Y.

• The mode time preference for studying among students who attend College X is the morning.

• More students who attend College Y like to study in the evening than in the morning and afternoon combined.

• The percentage of students who prefer studying in the morning or afternoon is equal for students attending College X and College Y.

Researchers at a zoo recorded the number of hours that the gorillas in two groups slept at night. The dot plots show the results. Compare the data in the dot plots. Choose the correct answer from each drop-down menu to complete the sentence. The distribution of the data for both groups is ​ (a)   , and both groups have the same ​ (b)   .

• asymmetrical

• range

• symmetrical

• median

• mode

• F

• G

• H

• J

The graph shows the number of cans Wade's class recycled each week for 7 weeks. What is the range of the number of cans recycled?

• 100

• 325

• 225

• 200

Which percentage bar graph best represents the data?

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Based on the histogram, which statement is true?

• There were 15 swimmers who were younger than 30 years old.

• A total of 10 swimmers were 50 years old or older.

• The number of swimmers who were 40 years old or older is less than the number of swimmers who were 29 years or younger.

• A total of 70 swimmers participated in the competition.

Which statement best describes the data shown in the dot plot?

• The peak of the data is a 5.

• The data are clustered from 0 to 2.

• The data distribution has no gaps.

• The data distribution is symmetrical.

A student recorded the colors of marbles in a tally chart. In which table do the percentage represent the relative frequency of these marble colors.

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