Math Grade 7 Quiz Comparative Inferences Using Data Measures – 7.SP.B.4
This quiz explores the concept of utilizing both measures of center and measures of variability for numerical data derived from random samples. The goal is to understand how these measures can be applied to draw informal, comparative conclusions about two distinct populations.
Quiz Summary
0 of 10 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 10 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
 7.SP.B.4 Comparative Inferences Using Data Measures 0%
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 Current
 Review
 Answered
 Correct
 Incorrect

Question 1 of 10
1. Question
If Sample A has a larger standard deviation than Sample B, what does this mean?
CorrectIncorrect 
Question 2 of 10
2. Question
How does random sampling support valid inferences about populations?
CorrectIncorrect 
Question 3 of 10
3. Question
What are the common measures of center used to draw inferences about populations?
CorrectIncorrect 
Question 4 of 10
4. Question
If the average word length in a sample from a Book A is 6 letters, and from Book B is 7 letters, what can be inferred?
CorrectIncorrect 
Question 5 of 10
5. Question
Which measure of variability is most helpful when comparing two populations?
CorrectIncorrect 
Question 6 of 10
6. Question
If two samples have the same mean but different ranges, what does this suggest?
CorrectIncorrect 
Question 7 of 10
7. Question
Why is it important to consider both measures of center and variability when comparing populations?
CorrectIncorrect 
Question 8 of 10
8. Question
A science book’s chapter has words with an average length of 5.2 letters and a standard deviation of 1.8, while a history book’s chapter has words with an average length of 5.0 letters but a standard deviation of 2.1. What can be inferred?
CorrectIncorrect 
Question 9 of 10
9. Question
When the mean salaries of two groups are significantly different, but their medians are similar, what does this indicate?
CorrectIncorrect 
Question 10 of 10
10. Question
What’s the effect of outliers on measures of center and variability?
CorrectIncorrect