In a Study of Reaction Times,) Compute the Least-Squares Regression Line for Predicting Auditory Response Time

question 90

Multiple Choice

In a study of reaction times,) $\begin{array}{cc}\hline \text { Visual } & \text { Auditory } \\\hline 208 & 200 \\177 & 175 \\250 & 233 \\248 & 234 \\152 & 155 \\164 & 161 \\196 & 190 \\238 & 230 \\\hline\end{array}$

Compute the least-squares regression line for predicting auditory response time $( y )$ from visual response time $( x )$ .

• A) \(y = 25.345634 + 0.842152 x\)
• B) \(y = 25.345634 x\)
• C) \(y = 0.842152 + 25.345634 x\)
• D) \(y = 0.842152 x\)

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Definitions:

Zero Slope

A horizontal line on a graph, indicating that there is no change in the y-value (vertical) regardless of the change in the x-value (horizontal); it represents a constant function.

Positive Slope

Indicates an upward trend on a graph, demonstrating that as one variable increases, the other variable also increases, especially used in the context of supply and demand curves in economics.

Consumption

The use of goods and services by households or individuals for personal needs or wants.

Income

Earnings received by an individual or entity, typically in the form of wages, salaries, or various types of investments.