# Suppose that the correlation r between two quantitative variables was found to be r = 1. Which of the following is the best interpretation of this correlation value?

1. Suppose that the correlation r between two quantitative variables was found to be r = 1. Which of the following is the best interpretation of this correlation value?
1. There is a strong linear relationship between the two variables.
2. There is no linear relationship between the two variables.
3. There is a strong relationship between the two variables.
4. There is no relationship between the two variables.
(Hint: You can review the OLI activities or do a computer search if in doubt)

2.Use the tables below to answer the questions that follow.
A. Which table tells us the percent of uninsureds for each region? What is that percent for the Northeast?
B. Which table tells us which region has the largest number of insureds for the country? Which region is that?
C. Which region has the most people? What percent of the country lives in this region?
3. A random sample of 25 customers was chosen in UMUC MiniMart between 3:00 and 4:00 PM on a Friday afternoon. The frequency distribution below shows the distribution for checkout time (in minutes).

Checkout Time (in minutes) Frequency Relative Frequency
1.0 – 1.9 2
2.0 – 2.9 8
3.0 – 3.9
4.0 – 5.9 5
Total 25

Complete the frequency table with frequency and relative frequency.