Make Comparative Inferences About Populations
Authored by Anthony Clark
Mathematics
7th Grade
CCSS covered
Used 8+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The following box plots display how fast two different types of animals can run. Compare the median of each box plot.
The medians are about the same.
Animal 1 has a greater median.
Animal 2 has a greater median.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are two types of plants in a greenhouse. The following dot plots show the heights of 20 plants, 10 of Type 1 and 10 of Type 2. The plants are given the same amount of food and water and grow at the same rate. What is the mean height for Type 2?
38
39
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The following dot plots show the ages of two groups of tourists. Make a comparative inference based on the mean values. What is the first step for calculating the mean?
The first step should be to count the ages that have dots and just average those numbers.
The first step should be to count the number of dots for each age
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The following box plots show the frequency of test scores on a recent math test in two classes. Make a comparative inference about the populations based on the IQR. Choose the correct answer below. ?
Class 1 has more varied class scores.
Class 2 has more varied class scores.
Class 1 has more consistent class scores.
Both classes have equality consistent scores.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What inference can you draw from this survey?
I can infer that most students in this school like pizza.
I can infer that very few students like hamburgers.
I can infer that their favorite is corn dogs.
I can infer that most students in this school like hamburgers.
Tags
CCSS.RI.6.1
CCSS.RI.7.1
CCSS.RI.8.1
CCSS.RL.6.1
CCSS.RL.7.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table shows the results of a survey of 200 people attending a hockey game.
The attendance for the hockey game is about 25,000 visitors each game. Based on the table, how many people out of 25,000 could be expected to buy a pennant?
1,375
1,650
2,750
3,850
Tags
CCSS.6.RP.A.3B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table shows the finish times of 30 runners in the 100-meter dash. Which inference is true?
The runners ran faster this year, on average, as compared to last year.
Most runners ran faster last year, on average, as compared to this year.
Every runner ran faster this year as compared to last year.
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