STATISTICAL TECHNIQUES AND TOOLS
MEASURES OF VARIABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It’s the number you get when you add all the numbers together and then divide by the amount of numbers you have.
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mean
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median
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mode
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range
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Explanation:
Detailed explanation-1: -To calculate the arithmetic mean of a set of data we must first add up (sum) all of the data values (x) and then divide the result by the number of values (n).
Detailed explanation-2: -MEAN-the sum of a set of numbers divided by the number of items in the set, also referred to as the average.
Detailed explanation-3: -The formula for calculating the arithmetic mean is to add up the numbers in a set and divide by the total quantity of numbers in the set. The formula for calculating the geometric mean is to multiply all the values in a data set, then take the root of the sum equal to the quantity of values within that data set.
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