1)For the data shown, answer the questions. Round to 2 decimal places.

x

25.7

1.9

27.9

17.1

6.5

29.6

Find the mean: Find the median: Find the sample standard deviation:

2)Match the name of the sampling method descriptions given.

Situations

• -abcde choosing every 5th person on a list
• -abcde selecting a classroom number at random then surveying all the students in that room
• -abcde asking your 20 closest friends
• -abcde separating all students by grade level, and selecting 10 students from each grade
• -abcde pulling 50 names from a hat

Sampling Method

1. Stratified
2. Convenience
3. Cluster
4. Systematic
5. Simple Random

3)