Use the Following Information to Answer the Question

question 59

Multiple Choice

Use the following information to answer the question. The following linear regression model can be used to predict ticket sales at a popular water park.
Ticket sales per hour = - 631.25 + 11.25(current temperature in °F)
-In this context, does the intercept have a reasonable interpretation?

• A)Not enough information available
• B)No, at a temperature of 0°F, ticket sales would be - 631.25 and it is not reasonable (or possible)to have negative ticket sales.
• C)Yes, it is reasonable for people to go to a water park when it is 0°F, so park managers might want to know how many tickets they would sell on average on a 0°F day.

---

Definitions:

Large-Sample Z-Test

A statistical hypothesis test used when the sample size is large, generally over 30, utilizing the standard normal distribution.

Test Statistic

A value, derived from sample data, used in hypothesis testing to determine whether to reject the null hypothesis.

Rejection Region

The range of values for which the null hypothesis is rejected in hypothesis testing.

Wilcoxon Signed-Rank Test

A non-parametric statistical test used to compare two related samples to determine if their population mean ranks differ.