WorksheetsBasic Statistics Review
Total questions: 15
Worksheet time: 15mins
What is the median?
62
58
66
60
What is the range of the data shown?
85
90
80
70
What is the median for this list: 3, 9, 17, 11, 17, 3, 1
9
17 and 3
8.71
16
What is the mean for the dot plot?
35
30
70
85
The data from how many students was recorded on this histogram?
43
4
60
15
Find the median of that data on this frequency table.
20
45
30
18
What 3 values could be entered for Wednesday, Thursday, Friday to give you a MEAN of 7?
9,6,9
2,3,5
Any 3 numbers that add up to 20.
All sevens
What is the mode for this data set?
3
7
7.5
9
What is the mean of this data set?
43
46
567
63
If there is an outlier in your data (a point very far from the other data, or a very long whisker), what is the best measure of center to use and why?
Median is best because the outlier skews the data.
Mean is best because the outlier doesn't skew the data.
Mode is always the best measure of center because it shows the most.
What is the mean of the data, rounded to the nearest tenth?
6.0
8.0
9.3
6.8
What are the values for the five number summary?
2,4,6,8,10
0, 3,5,11,20
2, 2.5, 4.5, 10.5, 18
2, 3, 5, 11, 18
What is the mean of this data, and what is a general observation you can make?
80, most students scored higher than 80
85.83, most students score 80 or higher
80, most students scored lower than 80
85.83, most students scored lower than 80
Mean will decrease.
Mean will increase.
Mean will stay the same.
Use the mean, the teacher's age, an outlier, won't affect the mean as much as the other measures.
Use the median so the teacher's age, an outlier doesn't affect the middle.
Use mode, the number on the list the most is best.
