A Concern of Major League Baseball Is That Games Last

question 44

Multiple Choice

A concern of Major League Baseball is that games last too long. Some executives in the league's headquarters believe that the mean length of games this past year exceeded 3 hours (180 minutes) . To test this, the league selected a random sample of 80 games and found the following results: = 193 minutes and s = 16 minutes. Based on these results, if the null hypothesis is tested using an alpha level equal to 0.10, which of the following is true?

• A) The null hypothesis should be rejected if
• B) The test statistic is t=1.2924.
• C) Based on the sample data, the null hypothesis cannot be rejected.
• D) It is possible that when the hypothesis test is completed, a Type II statistical error has been made.

---

Definitions:

Frequency

The average number of times a person in the target audience is exposed to a message or an advertisement.

Complex Ideas

Thoughts or concepts that are composed of multiple elements, requiring significant thought or abstraction to understand.

Brand Extensions

The practice of extending an existing brand name to new product categories or markets to leverage existing brand equity.

CPM

Cost per thousand impressions, a common metric used in advertising to denote the cost of 1,000 advertisement impressions on one webpage.