What is the mean?
The mean is the average of a set of numbers (data), calculated by dividing the sum by the number of data points.
What is the median?
The median of a number set is the middle number when the numbers are written in numerical order.
What is the mode?
The mode is the value that appears the most in a number set.
What is the range?
The range is the difference of the greatest value and the least value.
What is the mean, median, mode and range of this number set:
5, 3, 2, 6, 5, 2, 5
Mean: 4
Median: 5
Mode: 5
Range: 4
What is the mean of this number set:
5, 3, 2, 6, 5, 2, 5
The mean is 4.
What is the median of this data set:
6, 8, 12, 16, 18
The median is 12.
Find the mode of this data set:
6, 3, 4, 6, 5, 3, 6
The mode is 6.
What is the range of these two numbers:
16, 45
45-16
= 29
Put these numbers on a stem and leaf plot:
36, 45, 52, 40, 38, 41, 50, 48, 30, 40
30, 36, 38, 40, 40, 41, 45, 48, 50, 52
What is the mean of this number set:
24, 12, 10, 15, 10, 22, 12
The mean is 15.
What is the median of this number set:
14, 28, 7, 11, 22, 8
The median is 12.5 or 12 1/2.
What is the mode of this data set:
12, 8, 26, 13, 22, 20
There is no mode.
What is the range of this number set:
25, 14, 36, 26, 8, 15, 29
36-8
= 28
What is the mean, median, mode and range of this set:
14, 9, 20, 5, 17, 13
Mean: 13
Median: 13.5
Mode: there is no mode.
Range: 15
What is the mean of this number set:
32, 33, 22, 85, 58
The mean is 46.
What is the median of this number set:
32, 33, 22, 85, 58, 33, 32, 63
The median is 33.
What is the mode of this number set:
66, 23, 45, 83, 66, 12, 46, 23, 45
The mode is 66, 23, and 45
What is the range of this number set:
24, 63, 22, 23, 54, 76, 21, 77
77-21
= 56
You and your friend are having a friendly competition about the scores on your math quizzes. Both of your scores for the first five quizzes are given below:
Your quiz score: 18, 16, 19, 15, 17
Friend's quiz score: 20, 20, 13, 12, 17
Find the mean, median and the mode of each set.
Which person - you or your friend - has the higher mean?
My quiz score: Friend's quiz score:
Mean: 17 Mean: 16
Median: 17 Median: 17
Mode: None Mode: 20
You have the higher mean, not your friend.
What is the mean of this data set:
24, 23, 24, 25, 27, 32, 19, 18
192 divided by 8
= 24.
What is the median of this data set:
78, 83, 77, 56, 73, 66
The median is 75.
What is the mode of this number set:
88, 24, 98, 55, 12, 96, 3, 26
There is no mode.
What is the range of this number set:
104, 87, 108, 111, 87, 110, 112, 92, 89
112- 87
= 25
Find the mean, median, mode and the range of the stem and leaf plot.
Mean: 420 divided by 10 = 42
Median: 40 + 41 = 81. Divided by 2 = 40.5
Mode: 40
Range: 52-30 = 22