Comparing Populations

Quiz
•
Mathematics
•
6th - 8th Grade
•
Medium
+1
Standards-aligned
Timothy Jackson
Used 275+ times
FREE Resource
12 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Coach Lantz recorded the number of shots on goal players made during two weeks of a lacrosse scrimmage. How much greater was week 2's mean than week 1's mean? Type your answer as a one-digit number without a label.
Tags
CCSS.7.SP.B.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A study is done to compare the fuel efficiency of cars. The first group of cars generally get about 37 miles per gallon. The second group of cars generally get about 37 miles per gallon. Based on the mean values of each group, what inference can be made?
The cars in group 2 generally are more fuel efficient.
The cars in group 1 generally are more fuel efficient.
The cars in group 1 and group 2 are equally fuel efficient.
No inferences can be made simply by knowing the mean.
Tags
CCSS.7.SP.B.4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Brazil asks 7 classmates how many erasers and pens they carry in their bags. The mean number of erasers is 10. The mean number of pens is 4. What inference could Brazil make using this data?
Most of Brazil's classmates carry more pens than erasers in their bags.
All of Brazil's classmates carry more erasers than pens in their bags.
Most of Brazil's classmates carry more erasers than pens in their bags.
Most of Brazil's classmates carry similar amounts of erasers and pens in their bags.
Tags
CCSS.7.SP.B.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The dot plots show the weights of a random sample of fish from two lakes. Pick the statement that describes the variability of the samples.
The variability of the weights of the fish in Lake S is greater than the variability of the weights of the fish in Lake R.
The variability of the weights of the fish in the two lakes are about the same.
The variability of the weights of the fish in Lake R is greater than the variability of the weights of the fish in Lake S.
You cannot determine variability based on a dot plot.
Tags
CCSS.7.SP.B.4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The table shows the finish times of 30 runners in the 100-meter dash. Use the table to identify the inference that can be made by comparing the measures of center.
Every runner ran faster last year as compared to this year.
Most runners ran faster last year, on average, as compared to this year.
The runners ran faster this year, on average, as compared to last year.
Every runner ran faster this year as compared to last year.
Tags
CCSS.7.SP.B.4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If you compare the medians of each data set, who spends more time online?
Seventh graders
Eight graders
Both grades spend an equal amount of time online.
Impossible to determine form the data sets.
Tags
CCSS.7.SP.B.3
CCSS.7.SP.B.4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If a data set is skewed, and most of the data are at the lower end of the data, which is a better measure of center? Explain.
The range; it would be smaller in a skewed data set.
The mode; it would have to be at the lower end of the data.
The mean; it is not affected by high or low data in a data set.
The median; it is less sensitive to outliers in a data set.
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
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