AnswersHigh School Math 2 ARelative Frequencies and Association

Relative Frequencies and Association Answers

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Identify the conditional relative frequency by row. Round to the nearest percent.

Answers:
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 .:24%
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 .:38%
2
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14%23%✔ 38%60%

A
14%
B
23%
C
✔ 38%
D
60%
86617

⇒ 0.1

Question illustration
Answer:

86617

86629

0.24✔ 0.40.43

A
0.24
B
✔ 0.4
C
0.43
86630

0.080.18✔ 0.2

A
0.08
B
0.18
C
✔ 0.2
86631

0.320.57✔ 0.8

A
0.32
B
0.57
C
✔ 0.8
86637

⇒ 36

Answer:

86637

86638

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

A
Given that a student is a 10th grader, there is a 14% chance he or she has a job.
B
Given that a student has a job, there is a 14% chance he or she is a 10th grader.
C
14% of the students surveyed are 10th graders who have a job.
D
14% of the students are 10th graders.
86639

Identify the conditional relative frequency by row. Round to the nearest percent.

Answers:
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 .:24%
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 .:38%
86640

Which conclusion can be drawn from the table?

A
An association cannot be determined because 0.47 is close to 0.52.
B
There is an association between gender and scholarship earned because each row adds to 1.
C
An association cannot be determined because 0.47 is close to 0.53.
D
There is an association between gender and scholarship earned because each column total is the average of the values in the column.
86641

Which statements are true? Check all that apply.

A
Based on both tables, there is no association between gender and enjoying dancing.
B
Eve's table shows that those who enjoy dancing are likely girls.
C
Bob's table shows that boys are likely to not enjoy dancing.
D
The two tables will be identical since boys and girls have the same total number.
E
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.

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