Consider the Following to Answer the Question(s) Below

question 2

Multiple Choice

Consider the following to answer the question(s) below:
To determine whether the tip left at the end of a meal is related to the size of the total bill at their restaurant, Chez Michelle, data were gathered for 10 customers. The data and summary statistics are shown below.

-The slope of the estimated regression line that relates the response variable (Tip) to the predictor variable (Total Bill) is

• A) 0.213.
• B) -0.213.
• C) 0.877.
• D) 0.937.
• E) -0.937.

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Definitions:

Independent Variable

In experimental research, the variable that is manipulated or changed by the researcher to observe its effects on a dependent variable.

Control Group

In experiments, a group of subjects who do not receive the experimental treatment, used as a benchmark to measure the effect of the treatment.

Reliability Measure

A statistical tool or test used to assess the consistency and stability of results across different iterations of the same test or experiment.

Dependent Variable

In an experiment, the variable that is being measured and tested, and is expected to change when the independent variable is altered.