Q: When should Variance be investigated?

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Favourable variance is that variance which is good for business while unfavourable variance is bad for business

There are 7 variances associated with a budget ( which are generally calculated for controlling purposes) 1- Material Price variance 2- Material Quantity variance 3- Labor rate variance 4- Labor efficiency variance 5- Spending variance 6- Efficiency variance 7- Capacity variance

Equal in Variance

Pooled variance is a method for estimating variance given several different samples taken in different circumstances where the mean may vary between samples but the true variance (equivalently, precision) is assumed to remain the same. A combined variance is a method for estimating variance from several samples, given the size, mean and standard deviation of each. Mathematically, a combined variance is equal to the calculated variance of the set of the data from all samples. See links.

Related questions

All accident should be investigated.

should all variances be investigated

Variance should be recorded Stock of Goods Dr. Opening Closing stock variance Cr.

Fire

Fire

all.

all accidents

All types of accidents should be investigated in order that they can eventually be prevented. Certainly any accident that involves injury or destruction of property should be evaluated for cause.

1

The ones with aliens involved

The ones with aliens involved

All accidents