The wall of this type of canister is 7.984.
What is standard deviation?
Standard Deviation is a measure which shows how much variation (such as spread, dispersion, spread,) from the mean exists. The standard deviation indicates a “typical” deviation from the mean. It is a popular measure of variability because it returns to the original units of measure of the data set.
Given, mean = 8.1 mm
number of canister n = 100
standard deviation = 0.6
Standard error due to sampling:
= standard deviation/ square root of n
=0.6/10
= 0.06.
The mean wall thickness is
= 7.984
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