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sertanlavr [38]
4 years ago
6

What is the standard deviation of the following data set rounded to the nearest tenth 3,17,18,15,12,21,9

Mathematics
2 answers:
Anuta_ua [19.1K]4 years ago
6 0
Hey,
To find the Standard deviation of the data set, there are 4 steps:
<span>1. Work out the Mean (the simple average of the numbers)
2. Then for each number: subtract the Mean and square the result.
3. Then work out the mean of those squared differences.
4. T<span>ake the square root of that and we are done!

Here is your answer:
6.1

Is there a typo? I have checked my answer multiple times. Perhaps are you missing a number in the data set?

Cheers,
Izzy</span></span>
Alenkinab [10]4 years ago
4 0
I think that it is c or d but correct me if i am wrong
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