AnswersKY-Algebra I BUnit Test

Relative Frequencies and Association Answers

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G
Given that the program was targeted at adults, there is a 37.5% chance that it was recorded.
G
Given that the program was recorded, there is a 37.5% chance that it was targeted at adults.
3
37.5% of the programs are targeted at adults.
3
37.5% of the programs are recorded.
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The conditional relative frequency table was generated using data that compares the number of voters in the last election and whether or not they worked on election day. Fifty people who voted and 85 people who did not vote were chosen at random and surveyed.

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3
32
3
34
6
66
6
69
3

The conditional relative frequency table was generated using data that compared the outside temperature each day to whether it rained that day.

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0
0.3
0
0.35
0
0.65
0
0.7
4

A guidance counselor compiles data relating a student's English grade to the number of languages studied. The results are shown in the frequency table below.The counselor converts the frequency table to a conditional relative frequency table by column.What is the value of X?

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A
0.16
B
0.20
C
0.24
D
0.40
5

least likely

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0
0.06
0
0.24
0
0.69
1
1.0
6

The conditional relative frequency table was generated using data that compared the cost of one ticket for a performance and the method by which the ticket was purchased.

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0
0.14
0
0.18
0
0.30
0
0.86
7

Look at the table on texts assigned to students.

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0
0.01
0
0.02
0
0.1
0
0.2
8

The two conditional relative frequency tables show the results of a neighborhood survey on the number and types of gardens in the community.Table B: Garden-Type Frequencies by RowWhich table could be used to answer the question "Assuming someone has a flower garden, what is the probability they also have a vegetable garden?"

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T
Table A, because the given condition is that the person has a flower garden.
T
Table A, because the given condition is that the person has a vegetable garden.
T
Table B, because the given condition is that the person has a flower garden.
T
Table B, because the given condition is that the person has a vegetable garden.
9

The conditional relative frequency table was generated using data that compared a student’s grade level and whether or not they are involved in after-school activities.

Question illustration
0
0.43
0
0.45
0
0.55
0
0.57
10

The conditional relative frequency table below was generated by column using frequency table data comparing the number of calories in a meal to whether the meal was prepared at home or at a restaurant.A nutritionist attempts to determine an association between where food is prepared and the number of calories the food contains. Which is most likely true?

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A
An association cannot be determined because the value 0.55 is similar to the value 0.45.
B
There is an association because the value 0.15 is not similar to the value 0.55.
C
There is an association because the sum of each column is 1.0.
D
An association cannot be determined because the sum of the rows going across is not 1.0.

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