Sampling and Inference Quiz Summative
Authored by deng mingyan
Mathematics
6th - 8th Grade
CCSS covered
Used 5+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A researcher wants to know the favorite school lunch item for all 7th graders. They survey only students in the cafeteria at 11:00 AM. Is this a representative sample?
Yes
No
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a random sample of 10 students from a class of 30?
The first 10 students to enter the room
10 students picked using a random number generator
10 students who scored the highest on the last quiz
10 students from the front row
Tags
CCSS.HSS.IC.B.3
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Select all examples of representative samples:
5 students randomly selected from all classes
10 students from the basketball team
8 students chosen randomly from each grade
6 students who arrived early
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
4.
OPEN ENDED QUESTION
10 mins • 4 pts
A student surveys only students who like soccer. Explain why this is not a representative sample.
Evaluate responses using AI:
OFF
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You roll a fair six-sided die 10 times and repeat this process 5 times. Which concept is illustrated?
Biased sample
Repeated samples
Single sample
Population
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
From repeated samples of a population with 15 students, you notice that the mean number of students choosing chocolate ice cream is 12 each time. What can you infer?
Chocolate is not popular
Chocolate is likely the most popular flavor
Samples are biased
The population size is 12
Tags
CCSS.7.SP.A.2
7.
OPEN ENDED QUESTION
10 mins • 4 pts
Below is a table of 3 random samples of favorite fruits in a class:
Fruit Sample 1 Sample 2 Sample 3
Apple 3 4 3
Banana 2 1 2
Orange 5 5 4
Which fruit appears to be most preferred across the samples? Explain your reasoning.
Evaluate responses using AI:
OFF
Tags
CCSS.7.SP.A.2
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