What Must Be Present for a Find Unmatched Query to Work

question 67

Multiple Choice

What must be present for a find unmatched query to work?

• A)Two tables share a common field.
• B)Two tables have no relationship.
• C)All fields in the tables should be the same.
• D)There is nothing necessary for the query to work properly.

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Definitions:

Multiple Comparison Methods

Multiple comparison methods are statistical procedures used to evaluate differences among three or more group means while controlling for the probability of making type I errors.

Fisher's LSD Procedure

A statistical method used for comparing means when the null hypothesis has been rejected in an ANOVA test, standing for Least Significant Difference.

ANOVA

Stands for Analysis of Variance, a statistical method used to determine the existence of significant differences between the means of three or more independent groups.

F-test

A statistical test used to compare either two variances or the variances of more than two groups at the same time.