Posted by **Courtney** on Sunday, September 9, 2012 at 12:26am.

At one school, the average amount of time that tenth-graders spend watching television each week is 18.4 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased. Formulate the null and alternative hypotheses for the study described

## Answer This Question

## Related Questions

- Hypothesis - Statistics - At one school, the average amount of time that tenth-...
- STATISTIC - Mrs. Carlson has discovered that the students in her class who watch...
- Language Arts - While television can be entertaining and educational, it also ...
- statistics - A sample of 400 high school students showed that they spend an ...
- statistics - To determine how many hours per week freshmen college students ...
- L.A. - While television can be entertaining and educational, it also has a dark...
- HEEEELLLPPP!!!!!!!!!!! LA! - 1 While television can be entertaining and ...
- Language - 1 While television can be entertaining and educational, it also has a...
- math... - Julia is allowed to watch no more than 5 hours of television a week. ...
- math - Last week, Charles spent 2 hours watching television. Madoline watched ...

More Related Questions