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13 Cards in this Set
- Front
- Back
- 3rd side (hint)
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MEAN
How do you find the mean in a data set? |
Example:
1,1,4,5,5,5,12,31 • First, add all the data together. (64) • Then, divide the sum of the data to get the mean. (8) |
Mean= Average
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MEDIAN
How do you find the median of a set of data? |
Example:
1,1,4,5,5,5,12,31 • First, list all the data from least to greatest. • Then, cross off one number from each side of the data set until you get to one or two numbers in the middle. (5) • Finally, if you have two. Numbers in the middle, find the middle between those two numbers. (5) |
Median= Middle of the data
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MODE
How do you find the mode in a set of data? |
Example:
1,1,4,5,5,5,12,31 • Count how many times each number is listed in the set of data and the number that is listed the most is your mode. |
Mode= The number that occurs the most.
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RANGE
How do you find the range of a list of data? |
Example:
1,1,4,5,5,5,12,31 • First, find the maximum and minimum of your set of data. (1,31) • Then, subtract your minimum from your maximum to get your range(31-1= 30) |
Range= Max- Min
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OUTLIER (1.5 IQR)
How do you find the outlier in a set of data? |
• First, |
Example:
1,1,4,5,5,5,12,31 The outlier is |
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LOWER QUARTILE (LQ)
What is the LQ and how do you find it? |
To find the LQ, you first find the median. After that, find the median of the first half from the median (includes the median)
Example: 1,1,4,5,5,5,12,31 LQ= 2.5 (median between 1 and 4) |
LQ= lower quartile
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UPPER QUARTILE (UQ)
What is the UQ and how do you find it? |
To find the UQ, you first find the median. After that, find the median of the second half from the median (includes the median)
Example: 1,1,4,5,5,5,12,31 UQ= 8.5 (median between 5 and 12). |
UQ= upper quartile
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Minimum
What is the minimum? |
The minimum is the smallest number in a set of data.
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Min= minimum
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THE FIVE NUMBER SUMMARY
What is the five number summary and how do you find it? |
The five number summary is the five main points on a box plot.
To find the five number summary of a set of data, find the LQ, UQ, Min, median, and Max. |
Five number summary= min, max, LQ, UQ, and median.
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IQR( INTER QUARTILE RANGE)
What is the IQR and how do you find it? |
The IQR is the difference between the upper and lower quartile.
To find the IQR, subtract the LQ from the UQ. |
IQR= Inter Quartile Range
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BOX PLOT
What is a box plot and what does it look like? |
A box plot is a non specific way of graphing a set of data that only shows the minimum, maximum, LQ, UQ, and the median.
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Example:
Data- 1,1,4,5,5,5,12,31 Box Plot- Min- 1 Max- 31 Median- 5 LQ- 2.5 UQ- 8.5 |
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HISTOGRAM
What is a histogram and what does it look like? |
A histogram is an other way of graphing a set of data that has intervals that show how many times those numbers were listed in the data set. The # of intervals on a histogram should be between 6 and 12.
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Example:
1,1,4,5,5,5,21,31 Interval #1- (1-4) goes up to 3 on Histogram. |
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MAXIMUM
What is the maximum |
The maximum is the largest number in a set of data.
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Max= maximum
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