1. Gold 2. Green 3. Purple 4. Pink 5. Gray

1. Convenience Sampling 2. Systematic Sampling 3. Voluntary-Response 4. Random Sampling

4Purple 4Pink 3.75Gray 3.67Gold 3.57Green

1. 0% 2. 25% 3. 50% 4. 75% %

1. 90, 75, 85, 100, , 90, 65, 90, , 80, 95, 100, , 100, 75, 80, 75

8.83Purple 8.33Gold 7.5Gray 5.93Green 5.67Pink

1. Most of the teachers are 32, but some are 28 and 36 years old. 2. The average age of the teachers is 32 and the average of all the differences is between each teacher’s age and the mean is 4 years. 3. The range in age is from 28 to 36 years old.

1. Almost Complete Overlap 2. Little Overlap 3. No Overlap

12.83Purple 12.33Gold 11.63Gray 9.79Green 9.24Pink

1. 0% 2. 25% 3. 50% 4. 75% %

1. 1 times times times times

18.67Gold 17.67Purple 16.99Pink 16.25Gray 14.32Green

89.37Participant Participant Participant Participant Participant 14

29Participant 19 29Participant 4 29Participant 9 29Participant 29 29Participant 3