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Why are variances squared?
The variances are squared so that all deviations above and below the mean become positive values. Taking the square root of the variance then gives a measure of the differences from the mean: the standard deviaton. Squaring the deviations also makes the bigger differences stand out. Look at 100 squared vs 10 squared.
Using a pooled sample estimator for sigma squared assumes the two populations have what?
equal variances
What does the little 2 mean in a calculation?
Squared
What is meaning of Squared up?
calculation of the area of a square
What is 0.2 squared?
To find 0.2 squared, you simply multiply 0.2 by itself. This calculation results in 0.04. Therefore, 0.2 squared is equal to 0.04.
What does activity-level variances plus flexible-budget variances equal?
total master-budget variances
The variances that should be investigated by management include?
should all variances be investigated
Ralph likes 25 but not 24 he likes 400 but not 300 he likes 144 but not 145 Which does he like calculation?
Ralph only likes squares of numbers. He likes 25 (5 squared), 400 (20 squared), and 144 (12 squared).
What is 57 squared?
57 squared is equal to 57 multiplied by 57, which equals 3,249. This calculation can be done by multiplying 57 by itself using the traditional multiplication method or by using a calculator. The square of a number is the result of multiplying the number by itself.
What is one and a half squared?
To find 1.5 squared, you would multiply 1.5 by itself. This calculation would result in 2.25. This is because 1.5 multiplied by 1.5 equals 2.25. So, 1.5 squared is equal to 2.25.
When comparing two variances or standard deviations is an f-test is used?
An F-test can be used for variances.
What are adverse variances?
Adverse variances means unfavourable variance which is actual expenses are more than budgted variance.
