
Representative Samples Variability
Authored by Anthony Clark
Mathematics
7th Grade

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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This target depicts
High bias, high variability
High bias, low variability
Low bias, low variability
Low bias, high variability
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do the box plots tell you about the growth of a typical plant species?
B typically grows taller than A since the range for B is greater.
B typically grows taller than A since the IQR for B is greater.
A grows taller than B since the median for A is greater.
A typically grows taller than B since the mean for A is greater.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Compare the variability of the data for each store.
The range & IQR are greater at store B as compared to store A.
There is less variability in prices of DVD players at store A.
The range & IQR are greater at store A as compared to store B.
There is more variability in prices of DVD players at store B.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The sample represents the population.
Choose the answer that says "Representative Sample"
Random Sample
Biased Sample
Representative Sample
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The sample represents the population.
Choose the answer that says "Representative Sample"
Random Sample
Biased Sample
Representative Sample
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student wants to know which type of pizza the students at his high school prefer. Which option would give an unbiased, representative sample:
Asking all the students in the hot lunch line.
Asking 10 random students from each homeroom.
Asking every other student who gets off a school bus.
Asking all the 10th graders.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In order to use samples to estimate something from the population, the sample should be _________________ the population.
exactly the same as
nothing like
representative of
larger than
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