Mean
How do we find the mean?
How do we find the median?
Put the numbers in order from least to greatest find the middle number.
If it's a pair add those numbers together and divide by two.
How do we find the mode?
Find the number that appears the most. There can be more than one mode.
How do we find the range?
Subtract the lowest number in the set from the highest number in the set.
What number would you divide by to calculate the mean of 3, 4, 5, and 6?
You would divide by 4
What is the median of the following numbers?
10, 39, 71, 42, 39, 76, 38, 25
Median = 39
What is the mode of the following numbers?
12, 11, 14, 10, 8, 13, 11, 9
Mode = 11
What is the range of 3, 4, 7, 9, 13?
Range = 10
Find the mean of the following set of numbers:
2, 4, 6, 8
Mean = 5
What is the median score achieved by a student who recorded the following scores on 10 math quizzes?
68, 55, 70, 62, 71, 58, 81, 82, 63, 79
Median = 69
The temperature in of a week in June is as follows:
32°C, 28°C, 28°C, 34°C, 31°C, 28°C, 32°C
What is the mode of the temperatures?
Mode = 28°C
What is the range of the following set of numbers?
20, 30, 40, 59
Range = 39
Find the mean of the following set of numbers:
8, 2, 5, 7, 13
Mean = 7
The front row in a movie theatre has 23 seats. If you were asked to sit in the seat that occupied the median position, in which seat would you have to sit?
Median = 12
If the mode is 5, what is the missing number in the set?
4, 4, 5, 6, 5, 7, ___
Missing number = 5
What is the range of the following set of data?
9, 12, 14, 15, 21, 27, 30, 32
Range = 23
The mean of four numbers is 71.5. If three of the numbers are 58, 76, and 88, what is the value of the fourth number
a)64
b)60
c) 76
d) 82
The fourth number is: 64
The median of the following set of data is 11. Find the missing number.
6, 9, ___ , 18
Missing Number = 13
What does bimodal mean?
There are two modes.
If the range is 11, what is the missing number in the set?
2, 3, 7, ___
Missing Number = 13