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Statistics/Data Analysis (mean (You should use it when the data has no…
Statistics/Data Analysis
mean
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First you add the numbers. Next divide the sum by the numbers that are add so if you added 5 numbers you divide you sum by 5
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Median
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First arrange the numbers in order from least to greatest. Than find the middle number. If their are two middle than find the number between both numbers
You should use median when the data has extreme values. (Their are no big gaps in the middle of the data
box plots
First you have to put all the numbers in order, then you put it on a number line, once you the it on the number line
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mode
First you arrange the numbers in order from least to greatest. Then you the number that repeats the most
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range
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First you want to arrange the numbers in order. Next you want to find the different between the lowest number and the highest number
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statistical question
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Statistical question is a question that is answered by collecting data where there will be a variability that is in the data
Line plot
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In line plot you want to first get all the data you need . You want to make a number line from the lowest number to the highest number you have. Next you put the amount of numbers you had. Example if you have 12 12 12 13 14 13 14 you would put three x's on top of 12, 2 x's on top of 13 and 14.
