1. State Your Null and Research Hypothesis (1pt)
2. Select Your Level of Significance (1pt)
3. Establish a Critical Value (1pt)
4. Calculate Your Test Statistic (1pt)
5. Make a Decision (1pt.

3You are interested to see if the number of hours worked per week for Whites differs from the number of hours worked per week for non-Whites. You sample 1,742 White workers and find an average of 14.28 hours per week, with a standard deviation of 15.76. You then sample 3,560 non-White workers and find an average of 15.67 hours per week, with a standard deviation of 15.92.

4)You are interested to see if the bodyweight for dogs in Denver is less than the bodyweight of wolves in Denver. You sample 447 dogs and find an average bodyweight of 150.28 pounds, with a standard deviation of 16.62 pounds. You then sample 460 wolves and find an average bodyweight of 150.67 pounds, with a standard deviation of 1.98 pounds.