Relative Frequencies and Association

Question 1

A census was conducted that determined the land area and populations of towns in a certain region. The frequency table displays some of the results. Rounded to the nearest hundredth, what values complete the conditional relative frequency table? a = b =

Revolt · Accepted Answer

Part 1: 0.58; Part 2: 0.42

Question 2

Question 2

Revolt · Accepted Answer

0.42

Question 3

⇒ 36

Revolt · Accepted Answer

86637

Question 4

Given the conditional relative frequency table by column, what does the 0.14 represent?

Revolt · Accepted Answer

Given that a student is a 10th grader, there is a 14% chance he or she has a job.

Question 5

Identify the conditional relative frequency by row. Round to the nearest percent. The conditional relative frequency that someone ate more than 2 cups of fruit, given the person drank less than or equal to 4 cups of water is approximately . The conditional relative frequency that someone ate less than or equal to 2 cups of fruit, given the person drank more than 4 cups of water is approximately .

Revolt · Accepted Answer

24%; Selection 1: 24%; Selection 2: 38%

Question 6

Which conclusion can be drawn from the table?

Revolt · Accepted Answer

An association cannot be determined because 0.47 is close to 0.52.

Question 7

Which statements are true? Check all that apply.

Revolt · Accepted Answer

Eve's table shows that those who enjoy dancing are likely girls.; Bob's table shows that boys are likely to not enjoy dancing.; The percentage of someone being a girl, given that the person enjoys dancing is lower than the percentage that someone enjoys dancing, given that the person is a girl.

Question 8

14%23%✔ 38%60%

Revolt · Accepted Answer

38%

Relative Frequencies and Association Answers

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