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Define the following terms : (a) Environment (b) pollution
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How do you calculate a budget variance as a percentage?
actual budget/budget = variance%
What is the meaning of analysis of covariance?
A mix of linear regression and analysis of variance. analysis of covariance is responsible for intergroup variance when analysis of variance is performed.
Set of 25 numbers has standard deviation 6 then it's variance is?
Square the standard deviation to obtain the variance. The variance is 62 or 36.
Show that in simple random sampling the sample variance is an unbiased estimator of population variance?
It is a biased estimator. S.R.S leads to a biased sample variance but i.i.d random sampling leads to a unbiased sample variance.
What is a budget variance?
A budget "variance" is the difference between planned and actual performance.
In an analysis of variance which is directly influenced by the size of the sample variances?
df within
In an analysis of variance is SS directly influenced by the size of the sample variances?
Yes it is.
What router is most used by corportations?
Cisco has the largest marketshare especially for larger applications. For smaller applications Linksys is a predominate choice. anonymous@oola.com
What difference between a favorable variance and an unfavorable variance?
Favourable variance is that variance which is good for business while unfavourable variance is bad for business
What is the difference between negative price variance and volume variance?
Negative price variance is when the cost is less than budgeted. Volume variance is a variance in the volume produce.
What are the variances in a 4 variance analysis?
efficiency variance, spending variance, production volume variance, variable and fixed components
What factors causes Budget Variance?
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
Which is not a measure of dispersion range or variance?
Variance
What is Assumptions for Variance Heterogeneous?
Unequal in Variance
What is Assumptions for Variance Homogeneous?
Equal in Variance
Consumption patterns were most influenced by?
Consumption patterns were most influenced by transportation.
Can variance be negative?
Since Variance is the average of the squared distanced from the mean, Variance must be a non negative number.
