Mean and mode
Find the mean of the data set: 5, 10, 15, 20, 25.
15
Find the range of the numbers 4, 8, 12, 16, 20, 24.
20
Identify the outlier in this data set: 12, 15, 18, 100, 22, 25.
100
What is another word for mean?
Average
The mode of the data set 3, 8, 3, 12, 8, 3, 14 is this number.
3
Identify the median of the data set: 3, 9, 14, 18, 22, 28, 35.
18
The data set is 5, 10, 15, 20, 25, 100. How much larger is the outlier compared to the next closest value?
75
What does the mode represent?
The most repeated number
Calculate the mean of the numbers 12, 14, 18, 20, 22, 26, 30.
20.3
Calculate the range and median of these numbers: 25, 30, 35, 40, 45, 50, 55.
Range = 30
Median = 40
In the numbers 2, 4, 8, 10, 12, 15, 90, 93, 94, 97, 99 which number is the outlier?
no outliers
What does the median represent?
The middle value when organized from smallest to largest
A class scored these marks on a test: 78, 85, 92, 78, 88, 91, 92, 94. What are the mean and mode?
Mean: 87.3,
mode 78, 92
Find the median of this data set: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50.
27.5
Identify the outliers in this data set: 1, 3, 7, 7, 8, 10, 12, 35, 40.
35, 40
What is an outlier?
A number far larger or smaller than the majority of your data
Calculate the mean of this large data set: 2, 5, 8, 12, 15, 18, 20, 24, 27, 30, 35.
17.8
A data set has these numbers: 3, 7, 9, 14, 16, 18, 22, 28, 30, 35, 38. What are the range and median?
Range = 35
Median = 18
A set of test scores is: 40, 45, 85, 87, 89, 90, 91, 93, 95, 98, 120, 125 Which number is the outlier, and why?
40, 45, 120, 125
Which can have more than one value: mean, mode, median, outlier?
mode and outlier