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Example Question #1 :Standard Deviation
Calculate the standard deviation of the following data set:
可能的答案:
Cannot be determined
有限公司rrect answer:
Explanation:
The standard deviation is found by using the following formula:
We will start by identifying the components of this equation:
Now, we can use this information to calculate the standard deviation.
First, we need to identifyand. There are six variables in the data set; therefore, we can write the following:
Next, we need to calculate the mean:
Second, we need to find the square of the absolute of each variable minus the mean:
Last, let's substitute these values into the standard deviation formula and solve.
Solve.
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