The average American man weighs 197.9 pounds; this can be treated as the population mean. I want to assess whether or not American men at a southwestern college weigh significantly different from the average weight. Test this hypothesis at an alpha of 0.05. What is the null hypothesis? What is the alternative hypothesis? Data: 178, 189, 198, 205, 210, 204, 189, 183, 190, 200, 166, 189, 174, 145, 160 What are your degrees of freedom? ________

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
icon
Related questions
Question

The average American man weighs 197.9 pounds; this can be treated as the population mean. I want to assess whether or not American men at a southwestern college weigh significantly different from the average weight. Test this hypothesis at an alpha of 0.05.

  1. What is the null hypothesis?
  2. What is the alternative hypothesis?

Data: 178, 189, 198, 205, 210, 204, 189, 183, 190, 200, 166, 189, 174, 145, 160

  1. What are your degrees of freedom? ________
  2. What is the critical t value (t table)? ________
  3. What is the obtained t value? ____________
  4. What can you conclude?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill