Homework 2
1. A parameter is to a population as a statistic is to a __________
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
