7.6G & 7.12AB STAAR Review Data

1) 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

2) Mr. Brown planted a vegetable garden. The circle graph shows the kinds of vegetables he planted and the percentage of the area of the garden each kind of vegetable occupied.

Mr. Brown’s garden has an area of 160 square feet. How many square feet of Mr. Brown’s garden is occupied by cabbage?

• 136 ft²

• 24 ft²

• 15 ft²

• 145 ft²

3) A garden contains 50 plants. The number of tomato plants is twice the number of bell pepper plants. The number of cucumber plants is the same as the number of watermelon plants. The remainder of the garden consists of squash plants. The circle graph shows the percentages of some of the types of plants in the garden.

Which statements are true? Select THREE correct answers.

• Tomato plants are 42% of the plants.

• Bell Pepper and Tomato plants combined are 48% of the plants.

• The total number of squash plants is 6.

• Over 40% of the plants are watermelon and cucumber.

• The total number of watermelon and cucumber plants is 20.

4) A teacher recorded the typing speeds of her students on Monday and Tuesday. The results are shown in the box plots.

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

• The median typing speed on Monday was less than the median typing speed on Tuesday.

• The maximum typing speed on Monday was greater than the maximum typing speed on Tuesday.

• The range of the typing speeds on Monday was equal to the range of the typing speeds on Tuesday.

• The interquartile range of the typing speeds on Monday was equal to the interquartile range of the typing speeds on Tuesday.

5) Two groups of students completed a science test. The box plots show the numbers of questions the students in each group answered correctly on the test.

Determine whether each measure for Group A is equal to, greater than, or less than the measure for Group B.

Select the correct answer in each row.

6) The box plots show the numbers of lessons completed by individual students enrolled in an online program at two different schools.

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

• The range of the data for School 1 is greater than the range of the data for School 2.

• The median of the data for School 2 is greater than the median of the data for School 1.

• The interquartile range of the data for School 2 is greater than the interquartile range of the data for School 1.

• The students at School 1 completed more lessons than the students at School 2.

7) Students were surveyed to determine their favorite types of animals. The bar graph shows the number of students who selected each type of animal. What percentage of the students surveyed selected a fish or lizard as their favorite type of animal?

8) 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

9) 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.

10) 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