The _____ Is a Measure of Variability Expressed as the Square

question 29

Multiple Choice

The _____ is a measure of variability expressed as the square root of the sum of the squared deviations around the mean divided by the number of scores in the distribution.

• A)correlation coefficient
• B)analysis of variance (ANOVA)
• C)standard deviation
• D)t-test

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Definitions:

Attainable Standards

Realistic targets for costs or productivity set by management, which are challenging yet achievable under normal working conditions.

Materials Quantity Variance

The deviation of the actual materials used from the expected standard quantity in production, times the standard unit cost.

Controllable Overhead Variances

The differences between the budgeted and actual overhead costs that management can control or influence.

Volume Overhead Variances

The difference between the expected (budgeted) overhead costs based on standard volume and the actual overhead costs incurred.