Jennifer Cantu,VP of Customer Services at Tri-State Auto Insurance,Inc $\mu$ > 5
B)

question 55

Multiple Choice

Jennifer Cantu,VP of Customer Services at Tri-State Auto Insurance,Inc.,monitors the claims processing time of the claims division. Her standard includes "a mean processing time of 5 days or less." Each week,her staff checks for compliance by analyzing a random sample of 60 claims. Jennifer's null hypothesis is ________.

• A) \(\mu\) > 5
• B) \(\sigma\) > 5
• C) n = 60
• D) \(\mu\) < 5
• E) \(\mu\) = 5

---

Definitions:

Slope Regression Coefficient

A parameter in linear regression that quantifies the change in the dependent variable for each unit change in an independent variable.

Simple Linear Regression

A statistical method that models the relationship between a dependent variable and one independent variable by fitting a linear equation to observed data.

Independent Variables

Variables in an experiment or statistical model that are manipulated or categorized to determine their effect on dependent variables.

Dependent Variables

Variables in an experiment or test that respond to changes in other variables, often measured to assess an effect.