People Often Assume That It Is Necessary to Use All

question 112

Multiple Choice

People often assume that it is necessary to use all the numerical information provided in a problem in order to solve the problem. In reality, numerical information sometimes makes it more difficult to solve a problem. Why?

• A)The information results in a mental set.
• B)The information may be irrelevant.
• C)The information puts unnecessary constraints on the problem solver.
• D)The information encourages functional fixedness.

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Definitions:

F-test Statistic

A value used in statistics to compare two variances and determine if they are significantly different, often used in the analysis of variance (ANOVA) tests.

Calculated

The result obtained from mathematical or statistical operations on data or values.

Test Statistic

A calculated value from sample data used in hypothesis testing to determine whether to reject the null hypothesis.

Calculated Value

A numeric value derived from mathematical operations on data or parameters.