If You Were to Flip a Coin to Decide Which

question 59

Multiple Choice

If you were to flip a coin to decide which person wins and which one loses, heads and tails are equally likely to turn up in a coin toss. Because of this, both persons have an equal chance to win. In this example, the probability of selection is ______.

• A) 0.5
• B) 0.75
• C) 0.25
• D) 0.35

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Definitions:

Independent Variable

A variable that is manipulated or controlled in an experiment to test its effect on a dependent variable, helping researchers understand cause-and-effect relationships.

Forecasting

The act of making educated guesses about future occurrences based on patterns, trends, and data analysis.

Curvilinear Relationship

A relationship between two variables where the change in one variable does not consistently result in a proportional change in the other, often depicted as a curved graph.

Residual Plot

A graph that shows the residuals (the differences between observed and predicted values) on the vertical axis against the predicted values on the horizontal axis, used to evaluate the fit of a model.