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Data Analysis (Central Tendency (Median (ex2-median1, The median is the…
Data Analysis
Central Tendency
Median
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The median is the middle
Step 1 is to order the numbers from least to greatest
Step 2 is to find the center of all the numbers and that is the median
If you have an even amount of numbers you have to find the 2 in the middle add them and divide by two and that is the median
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Mean
Mean is the average
Step one is to order the numbers from least to greatest
Step two is to add them up
Step three is to Divide by the number of addends and you find the answer
you use mean when you find the aversge
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Mode
Mode is the one that appears the most
Step one is to order the numbers from least to greatest
Step two is to find the number that is most repeated and that is the mode
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Histograms
To make a histogram you need as good amount of data
The next thing to do is make a graph
Then the next thing is collect the data
Now you need to add the to the graph
example 
line plots
example
Some the first thing you need to do is you need to make a line Now the second thing you need to do is made the line for how much data on the line So lets say you had 8 games you would put 1-8 on the number line Now you are ready to show your much and do the number
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I.Q.R
The interquartile range (IQR) is a measure of variability, based on dividing a data set into quartiles. Quartiles divide a rank-ordered data set into four equal parts.
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Range
range is when you order the numbers from least to greatest and you subtract the greatest and the smallest and you find the age
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