WorksheetsStatistics Review
Total questions: 15
Worksheet time: 41mins
Compare the dot plots. Which vehicle has a more consistent gas mileage?
SUVs
Cars
What is the third quartile of the data?
25, 25, 25, 29, 31, 33, 37, 38, 40, 42, 46
Mario compares random download times of movies from three different services. Using the table, find the mean of WhoKnew.
4.5
4.7
4.8
5.0
Carrie is comparing the growth of plants under natural and artificial light sources. Use the measures of center from the box plots to make an inference about the data.
Group Q has a greater growth of plants under natural and artificial light sources.
The sets have the same variability related to the growth of plants under natural and artificial light sources.
The drama teacher wants to determine where the drama club should go to celebrate their final performance. Which of the following is NOT a representative sample?
Every 4th student selected from an alphabetical roster of the club
Students whose names are randomly selected from a hat
Students who appear in the first act
Fifty percent of the test scores in 2nd Period were below what score?
82
75
85
93
At a football game, a researcher
randomly asks 100 people to name
their favorite sport. Is this a biased
sample?
Yes, because he did not ask enough people.
No, because he asked enough people.
No, because he chose a random sample.
Yes, because the subjects he surveyed were at a football game.
Roger has the following data:
12, 10, 3, 5, 6
Susan has the following data:
5, 9, 4, 5, 6
Who has the data with the highest median and what is it?
Roger - 6
Susan - 7
Roger - 8
Susan - 5.5
Richard wants to know about recycling habits of students at LMK. He surveys a random sample of 7th grade girls and boys. Which of the following is a population?
7th grade girls at LMK
7th grade boys at LMK
Teachers at LMK
All students at LMK
What is the interquartile range of 1st Periods test scores?
12
5
15
35
Ricky thinks the data set below contains an outlier. Which formula should he use to determine
2, 2, 3, 3, 3, 4, 5, 7, 7, 25
Q1 + 1.5(IQR)
Q1 - 1.5(IQR)
Q3 + 1.5(IQR)
Q3 - 1.5(IQR)
In a data set, there are two different numbers that repeat and have the highest frequency. What would you say about the mode?
There is no mode.
There are two modes.
Every number in the data set is a mode.
Mode is the average, so the repeating numbers don't matter.
Which of the following is an example of a quantitative statistical question?
What color shirt are you wearing?
How many pets do you have?
What is your favorite ice cream flavor?
Is it a nice day outside?
Based on the dot plot, how many students ate 5 candy bars?
4
3
8
0
