Statistics

1. The students at Johnson College are concerned about the level of
student fees. They took a randon sample of 30 college and universities
throughout the nation, and obtained information about the student fees
at these institutions. From this information they concluded that their
student fees are higher than those of most of most colleges in the
nation.



a. What is the implied population?



b. What is the sample?



2. Draw a bar chart/graph for the following data



13 47 10 3 16

7 25 8 21 19

12 45 11 8 5

6 12 14 13 7

34 13 41 28 36



3. Find the mean, median, mode and standard deviation of the data from
problem 2.



4. Find the probabilities for the random variable x



x Frequency

0 23

1 18

2 42

3 17



5. Find the mean, mode and standard deviation for the data in problem
4.