{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Practice Problems Ch 4

# Practice Problems Ch 4 - Practice Problems 1 Practice...

This preview shows pages 1–3. Sign up to view the full content.

Practice Problems 1 Practice Problems Sabrina Armstrong PSY/315 February 13 th , 2012 Tiffany Cron

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Practice Problems 2 Ch. 4, Practice Problem: 11, 14, & 18 11. List the five steps of hypothesis testing, and explain the procedure and logic of each. Solution: The 5 steps in hypothesis testing are: Step – 1 (Formulate and State the Hypothesis) Step – 2 (Decide on the Significance Level and the Type of Test) Step – 3 (State the Decision Rule) Step – 4 (Calculate the Test Statistic) Step – 5 (Calculate the p- value and State the Conclusion) What happens in each step is best understood with the help of an example. Here is one: Problem - The manufacturer of the X-15 steel-belted radial truck tire claims that the mean mileage the tire can be driven before the tread wears out is 60,000 miles. The standard deviation of the mileage is 5,000 miles. The Crosset Truck Company bought 48 tires and found that the mean mileage for their trucks is 59,500 miles.
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 3

Practice Problems Ch 4 - Practice Problems 1 Practice...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online