A Test Consists of 700 True or False Questions

question 11

Multiple Choice

A test consists of 700 true or false questions. If the student guesses on each question, what is the mean number of correct answers?

• A)350
• B)0
• C)700
• D)140

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Definitions:

Histogram

A graphical representation that uses bars to show the frequency distribution of a dataset.

Coefficient Of Determination

A statistical measure, often denoted as R², that represents the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.

Independent Variables

Elements in research or a scenario that are altered or sorted to explore their influence on response variables.

Regression Equation

An equation that expresses the linear relationship between one or more independent variables and a dependent variable.