The Frequency Distribution Below Summarizes Employee Years of Service for Alpha

question 62

Multiple Choice

The frequency distribution below summarizes employee years of service for Alpha Corporation. Find the class midpoint for class 1-5. $$\begin{array} { | c | c | } \hline \text { Years of Service } & \text { Frequency } \\\hline 1 - 5 & 5 \\6 - 10 & 20 \\11 - 15 & 25 \\16 - 20 & 10 \\21 - 25 & 5 \\26 - 30 & 3 \\\hline\end{array}$$

• A) 3.0 years
• B) 3.5 years
• C) 5.0 years
• D) 2.5 years

Analyze and interpret scatter plots and residual plots for assessing the fit of a linear regression model.

Calculate and interpret the slope and intercept of the least-squares regression line.

Understand the significance of the p-value in hypothesis testing relating to the slope of the regression line.

Apply Pearson's Correlation to examine the strength of the relationship between two variables.

---

Definitions:

Sound

Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with the unconditioned stimulus, triggers a conditioned response.

Clicking

The act of pressing and releasing a mouse button or similar device to select or interact with digital elements on a screen.

Conditioned Response

A learned response to a previously neutral stimulus that has been repeatedly paired with an unconditioned stimulus.