Question

In a recent marketing study, a demographic item asked professionals in the Denver Metropolitan area about their level of education. The number 12 would represent the 12 years of school required to finish high school; 14 could possibly indicate an associate’s degree; 16 would indicate graduation from a university with a bachelor’s degree; and anything higher than 16 would indicate graduate work. Below are the answers from the 12 individuals who responded.

12   18   16   15   18   14   16   11   20   19   14   18

1. Calculate or find and report the following.

a. Mean

b. Median

c.  Mode

d. Variance

e. Standard Deviation

2. One professional reported less than a high school education with 11 years. Based on this information, calculate or find and report the following.

a. Z-score for 11 yrs.

b. Table value for this Z-score

3. What does this table value mean?

Answer 1