Homework 2

1. A parameter is to a population as a statistic is to a __________

a. Independent variable

b. Sample

c. Z-score

d. Correlation

2. What is the scale of measure for the variable hours worked?

a. Nominal

b. Ordinal

c. Interval

d. Ratio

3. Create a frequency distribution for the following data set; 3, 5, 5, 5, 6, 6, 7, 7, 7, 8, 10

4. Create a histogram from the data in 3.

5. Create a frequency polygon from the data in 3.

6. The following data set is a sample of voter ages in the recent Presidential election; 21, 21, 21, 18, 19, 20, 20, 25, 26, 27, 27, 32, 55, 55, 67, 67, 67, 44, 45, 86, 96, 56, 67, 37, 39

7. Create a stem and leaf plot of the above data set

8. Create a group frequency distribution of the data set in question 6

9. Create a group histogram for the above data set

10. Create a frequency polygon for this data set