Solve the Problem Using the Elimination Method

question 94

Multiple Choice

Solve the problem using the elimination method.
-The sum of two numbers is 28. The larger number minus the smaller number is 8. What are the numbers?

• A)16 and 12
• B)21 and 7
• C)18 and 10
• D)12 and 20

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Definitions:

Sum of Squares

The total squared deviation of each observation from the mean, a measure of total variation within a dataset.

Unexplained

Refers to the portion of variance in a set of data that cannot be accounted for by the predictive variables in a statistical model.

Null Hypothesis

A statement in hypothesis testing that assumes no significant difference or effect exists between the parameters being tested.

F Statistic

A ratio used in statistical analysis to compare variances among sample groups, central to conducting an ANOVA test.