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ELT041 Calculate the mean variance of the following set of hourly tank levels: 1:00 - 28%...

ELT041

Calculate the mean variance of the following set of hourly tank levels:
1:00 - 28%
2:00 - 38%
3:00 - 30%
4:00 - 28%
5:00 - 36%

math   Statistics-And-Probability   
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3,.co _ 30.1 367 28+ 38t30+28-36 - 32/

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