Making Comparative Inferences

Making Comparative Inferences

7th Grade

15 Qs

quiz-placeholder

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Making Comparative Inferences

Making Comparative Inferences

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

CCSS
RL.5.3, RL.6.3, RL.7.3

+2

Standards-aligned

Created by

Anthony Clark

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The box plots show the distribution of times spent shopping by two different groups. Which of the following is a valid comparative inference?

The median for Group A is higher, so they generally spend more time shopping.

The interquartile range for Group A is higher, so they have a larger variability in shopping time.

The range for Group B is higher, so they have a larger variability in shopping time.

Both groups spend about the same amount of time shopping, in general.

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

A random survey of seventh- and eighth-grade students was conducted to find out how many hours is spent doing homework each night. Which of the following conclusions may be made by comparing the interquartile ranges of each data set? Select all that apply.

The interquartile range of both sets is equal to 1 hour.

The interquartile range for eighth-graders is greater than the interquartile range for seventh-graders.

The interquartile range for seventh-graders is greater than the interquartile range for eighth-graders.

The data sets exhibit similar variability, or spread.

The data for seventh-graders are more skewed than the data for eighth-graders.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Using the box plot, who spends more time in outdoor activity?

Soccer players, because they have a greater range of active minutes outdoors.

Basketball players, because they have a greater range of active minutes outdoors.

Soccer players, because they have a greater median of minutes spent outdoors.

Basketball players, because they have a greater median of minutes spent outdoors.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What can you infer about the athletes from the box plot?

The data set for soccer players shows that they have less variability when compared to the data set for basketball players.

The data set for soccer players shows that they have an equal amount of variability when compared to the data set for basketball players.

The data set for soccer players shows that they have greater variability when compared to the data set for basketball players.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Angela is comparing the amount of rainfall over the past month in two cities on days when it rained. In City​ 1, the range in rainfall is 4.5 centimeters and the interquartile range​ (IQR) is 1.5 centimeters. In City​ 2, the range is 5 centimeters and the IQR is 3 centimeters. What might you conclude about the cities based on the ranges and interquartile​ ranges?

The rainfall amounts on days when it rains have the same variability for City 1 and City 2.

The rainfall amounts on days when it rains have greater variability for City 2 than those for City 1.

The rainfall amounts on days when it rains have greater variability for City 1 than those for City 2.

The rainfall amounts on days when it rains are generally greater for City 2 than those for City 1.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The following box plots show the high​ temperatures, in degrees​ Fahrenheit, in two cities over the past 10 days. What might you conclude about the cities based on the interquartile​ ranges?

The weather patterns in City 1 and City 2 are equally consistent.

The weather pattern in City 1 is more consistent than the weather pattern in City 2.

The weather pattern in City 2 is more consistent than the weather pattern in City 1.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The box plots show the distribution of times spent shopping by two different groups. Which group has a higher variability in the lower 50% of their data?

Group A because their interquartile range is larger.

Group B because their interquartile range is larger.

Group A because the distance from their median to their maximum value is larger.

Group B because the distance from their median to their maximum value is larger.

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