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When the null hypothesis is true the ratio of the between groups population variance estimate to the within groups population variance estimate should be about?
Hswifey
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∙ 14y ago
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What is tau-squared statistics in random effects meta-analysis for?
It is the estimate of between-study variance, to quantify heterogeneity
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 budget variance?
A budget "variance" is the difference between planned and actual performance.
The difference between variance and standard deviation?
The SD is the (positive) square root of the variance.
What is the difference between heterogeneity and homogeneity in statistics?
Homogeneity means that the statistical properties of the variable which is being studied remain the same across the population. Heterogeneity means that they do not: it could be that the mean changes between different subsets of the population or the variance does.
How do you estimate the narrow sense heritability based on the halfsib offspring of open pollinated trees?
First we need to calculate within and between family variance components for half sib families. Additive variance is equal to 4 time the additive variance and Dominance variance equal to within family variance - (3/4) additive variance.
What is tau-squared statistics in random effects meta-analysis for?
It is the estimate of between-study variance, to quantify heterogeneity
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.
How much error between sample mean and population mean?
The answer depends on the underlying variance (standard deviation) in the population, the size of the sample and the procedure used to select the sample.
What is the difference between variable overheads cost variance andfixed overheads cost variance?
Variable overhead cost variance is that variance which is in variable overheads costs between the standard cost and the actual variable cost WHILE fixed overheads cost variance is variance between standard fixed overhead cost and actual fixed overhead cost.
What is a budget variance?
A budget "variance" is the difference between planned and actual performance.
What is budget variance?
A budget "variance" is the difference between planned and actual performance.
What is the relationship between standard deviation and variance?
Standard deviation is the square root of the variance.
Distinguish between analysis of variance and analysis of covariance?
) Distinguish clearly between analysis of variance and analysis of covariance.
Is there any difference between sales volume variance and Sales Quantity Variance?
Yes
The difference between variance and standard deviation?
The SD is the (positive) square root of the variance.
