Answers CR27 ALG 1-1200310-S2-Degele-VOL7006PRelative Frequencies and Association

Relative Frequencies and Association Answers

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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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Look at the table on texts assigned to students.

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0.1

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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.

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0.55

0.57

Which value for Y in the table would be least likely to indicate an association between the variables?

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0.24

0.69

1.0

A car dealer organizes the inventory of a specific model of car into a frequency table comparing the type of car and the model year. The dealer used the data from the frequency table to create this conditional relative frequency table by column.Which is the best description of the 0.1 in the table?

Given that a car is a coupe, there is a 10% chance it is from the previous model year.

Given that a car is from the previous model year, there is a 10% chance that it is a coupe.

There is a 10% chance that the car is from the previous model year.

There is a 10% chance that the car is a coupe.

A conditional relative frequency table is generated by column from a set of data. The conditional relative frequencies of the two categorical variables are then compared.

An association cannot be determined between the categorical variables because the relative frequencies are not similar in value.

There is likely an association between the categorical variables because the relative frequencies are not similar in value.

An association cannot be determined between the categorical variables because the sum of the relative frequencies is 1.0.

There is likely an association between the categorical variables because the sum of the relative frequencies is 1.0.

The conditional relative frequency table below was generated by column from a frequency table comparing the color of a flower to a type of flower.Which would most likely indicate an association between the categorical variables?

The value of G is similar to the value of H.

The value of B is similar to the value of E.

The value of G is not similar to the value of H.

The value of B is not similar to the value of E.

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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0.35

0.65

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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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0.24

0.40

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?"

Table A, because the given condition is that the person has a flower garden.

Table A, because the given condition is that the person has a vegetable garden.

Table B, because the given condition is that the person has a flower garden.

Table B, because the given condition is that the person has a vegetable garden.

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Relative Frequencies and Association Answers

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