-In the Table Above, a Program to Increase Reading Scores

question 7

Multiple Choice

-In the table above, a program to increase reading scores is a success when

• A)W minus X is greater than Y minus Z.
• B)W minus X is less than Y minus Z.
• C)X minus W is greater than Z minus Y.
• D)X minus W is less than Z minus Y.
• E)X is greater than W.

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Definitions:

Degrees Of Freedom

The total of independent variables or amounts that may be allocated to a statistical distribution.

Error

A discrepancy between a computed, estimated, or measured value and the true, specified, or theoretically correct value.

Interaction

A situation in statistical analysis where the effect of one variable depends on the state of another variable.

F-Tests

A class of statistical tests used to compare the variances of two populations to ascertain if they are equal or not.