Answer:
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Anwser is 10cm bc you multiply 10amd 3 then divided it
Step-by-step explanation:
hope you get ur answer
Answer:

Step-by-step explanation:
Given: 76,45,64,80,92
Required: Determine the standard deviation
We start by calculating the mean

Where x-> 76,45,64,80,92 and n = 5



Subtract Mean (71.4) from each of the given data

Determine the absolute value of the above result

Square Individual Result

Calculate the mean of the above result to give the variance


Hence, Variance = 255.298
Standard Deviation is calculated by 



Answer:
Step-by-step explanation:
I think it may look like this?