Mean/Median
What is the median? 4, 7, 5, 9, 4, 5, 6,
5
What is the mode of the following data set? 1, 4, 98, 74, 56, 3, 46, 33, 4, 34, 3, 5, 7, 96
3 and 4
What data analysis terms are considered Measures of Center?
Mean and Median
The value or values that appear most often in a data set
Mode
How do you find the median when there is an even number of data values?
Find the average of the 2 numbers in the middle
What is the median? 6, 9, 1, 11, 5, 14, 3, 10
7.5
What is the mode of the following data set? 14, 5, 7, 3, 5, 12, 11, 34, 13, 9, 7
5 and 7
What data analysis terms show Measures of Variation?
Range, Interquartile Range and MAD
Average (The sum of the data divided by the number of values.
Mean
Find the range of the data 26, 21, 27, 33, 24, 29
12
What is the mean? 2, 5, 4, 2, 6, 5
4
What is the mode? 12, 14, 15, 16, 11, 9, 7, 4, 19
none
What do Measures of Center tell us?
One number that shows the middle of a set of numbers.
The science of collecting, organizing, analyzing, and interpreting data.
Statistics
Which one does not belong and why? Range, IQR, Mean, MAD
Mean
What is the mean? 14, 5, 13, 4, 9
9
What is the range of the following data set? 91, 23, 45, 64, 12, 17, 92, 34, 56, 73, 14, 16, 90
80
What do Measures of Variation tell us about a set of data?
Measures of Variation give one number to show how a set of data varies or gets spread/stretched out.
Measures that describe the typical value of a data set known as the mean, median, and mode.
Measures of Center
Find the IQR of the data? 84, 75, 90, 87, 99, 91, 85, 88, 76, 92, 94
8
What is the mean? 12, 5, 7, 13, 8, 15, 11, 13
10.5
What is the range of the following data set? 1.2, 5.6, 12.9, 1.3, 24.1, 17.8, 19.03, 6, 1.3, 24.01
22.9
Is the mode a measure of center or a measure of variation?
Neither! The mode just shows the most common number in a set of data, it isn't necessarily in the center and it doesn't show any variation.
A measure that describes a distribution of a data set such as range, IQR, and MAD.
Measures of Variablity
Find the MAD 20, 20, 16, 12, 15, 25, 11
4