WorksheetsStatistics Review
Total questions: 20
Worksheet time: 5hrs 0mins
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
What is the interquartile range of test scores for 1st Period?
70-95
75-90
15
10
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
No
What is the MAD of the following set of data? Round your answer to the nearest tenth.
2, 4, 18, 10, 7, 13
5
4.7
4
9
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
What is the LE/min and UE/max of the following data:
15, 20, 5, 10, 2, 3, 19, 7, 11
2, 15
3, 19
2, 20
0, 100
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
What is the interquartile range of 2nd Periods test scores?
12
9
15
80
Is there an outlier in the follow set of data?
24, 36, 19, 28, 65, 32
Yes, 19
No
Yes, 65
What does the MAD tell us about a data set?
The average number
The measure of variation
The number that occurs most often
The middle number
What is the lower quartile(Q1) for 1st Period and 2nd Period?
60, 70
75, 80
80, 85
90, 92
What is the upper quartile(Q3) for both 1st Period and 2nd Period?
80, 85
90, 85
100, 95
90, 92
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
What is the only subject that counts?
Science
Math
English
Geography
