Anika and Benjamin survey every fourth student entering the school to find out how many support extra funding for the history club. Is their sample biased?
Big Ideas Chapter 8 Review

Flashcard
•
Mathematics
•
7th Grade
•
Hard
Betty Rochon
FREE Resource
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10 questions
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1.
FLASHCARD QUESTION
Front
Back
Yes, the sample is biased.
2.
FLASHCARD QUESTION
Front
Is the conclusion that 60% of students have visited a theater valid based on a sample of 35 students, where 21 have visited and 14 have not?
Back
No, the conclusion is not valid.
3.
FLASHCARD QUESTION
Front
Estimate the number of rock music fans in the school based on the survey results of Ava, Daniel, and Aria, who each surveyed 20 students out of 400 total.
Back
200 students
4.
FLASHCARD QUESTION
Front
Arjun, Daniel, and Aria are on a quest to find the magical center and variation of their treasure estimates. How can they describe these mystical numbers?
Back
All of the above
5.
FLASHCARD QUESTION
Front
Express the difference in the measures of center as a multiple of the measure of variation for two dot plots.
Back
2 times
6.
FLASHCARD QUESTION
Front
Describe the distribution of viewer ages for each show like a TV show detective.
Back
The distribution of viewer ages for each show is skewed towards younger viewers.
7.
FLASHCARD QUESTION
Front
Best measures of center and variation for analyzing ages of viewers for two TV shows?
Back
Mean and Standard Deviation
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