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Mean is the average number in a set of data. To calculate mean, you add up all the numbers in a set of data and divide that sum by the amount of numbers you just added up. Example:
numbers: 2, 2, 1, 3
2+2+1+3=8
How many numbers in the set? There are 4 so you divide the sum we just found by 4.
8 divided by 4=2
The mean/average of this set of data is 2.
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What does contracting population mean?
A decrease in overall population/population density.
How do you calculate the mean percentage score?
The term "mean" is another way of saying "average." In order to calculate a mean percentage score, you must add together all the percentages, and divide the total by the amount of percentage scores being used.
How do you calculate the mean difference?
You add all the numbers together then divide by how many there are
What is the formula of mean absolute deviation?
* * * * *No it is not.Step 1: Calculate the mean = sum of observations/number of observations.Step 2: For each observation, x, calculate deviation = x - mean.Step 3: Sum together the NON_NEGATIVE values of the above deviations.Step 4: Divide by the number of observations.That is the mean absolute deviation, not the rubbish given below!
How do you calculate the absolute probable error of the mean?
(0.6745 * Standard deviation)/ (n^1/2) :)
