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The unaccounted for variance aka Error Variance, is the amount of variance of the dependent variable (DV) that is not accounted for by the main effects/independent variables (IV) and their interactions.
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What is error variance?
Is the result of unsystematic differences among participants; that portion of the total variance in a set of data that remains unaccounted for a systematic variance is removed; variance that is unrelated to the variables under investigation in a study.
What is the difference between the coefficient of simple determination and that of multiple determination?
The coefficient of simple determination tells the proportion of variance in one variable that can be accounted for (or explained) by variance in another variable. The coefficient of multiple determination is the Proportion of variance X and Y share with Z; or proportion of variance in Z that can be explained by X & Y.
What is the variance used for?
Variance is used to add standard deviations when comparing two samples or populations. Variance is simply Std^2. The formula for obtaining Std is dependent on the type of sample taken\ hypothesis test performed i.e. 2-proportion pop/sample, single proportion, poussin, binomial, etc.
Is a statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group.?
Heritability
What is a statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group?
Heritability is the statistical estimate of the proportion of the total variance in a trait that is attributed to genetic differences among individuals within a group. It provides a way to quantify the extent to which genetic factors contribute to individual differences in a specific trait within a population.
Who is nobody?
A famous unaccounted for person.
Calculate the standard deviation of the portfolio with two securites first A proporiton 0.39 variance 160 second B proportion 61 and variance is 340 covariance of both is 190?
[((.39)^2)*160 +((.61)^2)*340+2*.61*.39*190]^.5 = 15.5323
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 does unaccounted mean?
whatdoes the word unaccountable mean
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
