WorksheetsStatistics Review
Total questions: 30
Worksheet time: 4hrs 40mins
What is the median of the following data set?
25, 42, 36, 12, 19
36
25
39
26.5
What is the mode of the following data set?
2, 4, 6, 8, 7, 9
2, 4, 6, 7, 8, 9
4
6
no mode
What is the mean of the following set of data?
2, 6, 10, 31, 14, 8
11.8
71
12
14.2
At a football game, a researcher
randomly asks 100 people to name
their favorite sport. Is this a biased
sample?
Yes
No
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
Which of the following is a population?
7th grade girls at Schroeder
7th grade boys at Schroeder
Teachers at Schroeder
All students at Schroeder
Which could be a sample?
All students at UND
Students in a sorority at UND
All professors at UND
A website asks a visitor to fill out an
online survey. Is this a random sample?
Yes
No, its voluntary
No, its mandatory
Is there an outlier in the follow set of data?
24, 36, 19, 28, 65, 32
Yes, 19
No
Yes, 65
What is the range of the follow set of data:
60, 85, 29, 32, 45, 17, 55
67
43
68
56
How do you find the range of a set of data?
Find the middle number
The number that appears the most
Add all the numbers up and divide them by the total amount of numbers
The highest value minus the lowest value
Mario compares random download times of movies from three difference services using the table. Find the mean of WhoKnew
4.5
4.7
4.8
5.0
Mario compares random download times of movies from three difference services using the table. Find the mean of AmazingPrime.
4.5
4.7
4.8
5.0
Mario compares random download times of movies from three difference services using the table. Find the mean of Peach TV.
4.5
4.7
4.8
5.0
Mario compares random download times of movies from three difference services using the table. Which service provides the fastest mean download speed?
WhoKnew
Amazing Prime
Peach TV
Netflix
Harry collects data froma random sample of seventh-graders. Out of 25 respondents, 10 ride the bus to school. Of the 150 seventh-graders who attend Harry's school, how many would be expected to ride the bus to school?
40 seventh graders
50 seventh graders
60 seventh graders
90 seventh graders
The dot plot shows a random sample of the number of migrating geese flocks observed by 25 participants during a two-day hike. What is the median value of Day 1?
4
5
5.5
6
The dot plot shows a random sample of the number of migrating geese flocks observed by 25 participants during a two-day hike. What is the mean value for Day 2?
3.24
4.3
5.5
3
23, 34, 27, 7, 30, 26, 28, 31, 34
Find the mode of these numbers:
4,3,6,4,3,6,6,3,2,1,3
3
6
4
2
