Relative Frequencies and Association - Quiz Quiz

Question 1

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. Car Inventory Coupe Sedan Total Current Model Year 0 point 9 0 point 7 5 almost equal to 0 point 7 9 Previous Model Year 0 point 1 0 point 2 5 almost equal to 0 point 2 1 Total 1 point 0 1 point 0 1 point 0 Which is the best description of the 0 point 1 in the table?

Revolt · Accepted Answer

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

Question 2

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. Car Inventory Coupe Sedan Total Current Model Year 0 point 9 0 point 7 5 almost equal to 0 point 7 9 Previous Model Year 0 point 1 0 point 2 5 almost equal to 0 point 2 1 Total 1 point 0 1 point 0 1 point 0 Which is the best description of the 0 point 1 in the table?

Revolt · Accepted Answer

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

Question 3

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. Daisy Rose Total Red cap A cap b cap c Yellow cap d cap e cap f White cap g cap h cap j Total 1 point 0 1 point 0 1 point 0 Which would most likely indicate an association between the categorical variables?

Revolt · Accepted Answer

B: The value of  cap g  is not similar to the value of   cap h .; C: The value of  cap b  is not similar to the value of   cap e .

Question 4

The frequency table represents the job status of a number of high school students. Job Status Looking for Job Not Looking for Job Total Currently Employed 12 28 40 Not Currently Employed 38 72 110 Total 50 100 150 Which shows the conditional relative frequency table by column?

Revolt · Accepted Answer

A: Job Status

Table with 4 columns and 4 rows.Row 1: Column 1, empty; Column 2, 'Looking for Job'; Column 3, 'Not Looking for Job'; Column 4, 'Total' Row 2: Column 1, 'Currently Employed'; Column 2, '0 point 2 4'; Column 3, '0 point 2 8'; Column 4, 'almost equal to 0 point 2 7' Row 3: Column 1, 'Not Currently Employed'; Column 2, '0 point 7 6'; Column 3, '0 point 7 2'; Column 4, 'almost equal to 0 point 7 3' Row 4: Column 1, 'Total'; Column 2, '1 point 0'; Column 3, '1 point 0'; Column 4, '1 point 0'

Question 5

The frequency table represents the job status of a number of high school students. Job Status Looking for Job Not Looking for Job Total Currently Employed 12 28 40 Not Currently Employed 38 72 110 Total 50 100 150 Which shows the conditional relative frequency table by column?

Revolt · Accepted Answer

C: Job Status

Table with 4 columns and 4 rows.Row 1: Column 1, empty; Column 2, 'Looking for Job'; Column 3, 'Not Looking for Job'; Column 4, 'Total' Row 2: Column 1, 'Currently Employed'; Column 2, '0 point 2 4'; Column 3, '0 point 2 8'; Column 4, 'almost equal to 0 point 2 7' Row 3: Column 1, 'Not Currently Employed'; Column 2, '0 point 7 6'; Column 3, '0 point 7 2'; Column 4, 'almost equal to 0 point 7 3' Row 4: Column 1, 'Total'; Column 2, '1 point 0'; Column 3, '1 point 0'; Column 4, '1 point 0'

Question 6

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. English Grade vs. Number of Languages Studied 90 or Above Lower than 90 Total English Only 15 105 120 English and Another Language 110 270 380 Total 125 375 500 The counselor converts the frequency table to a conditional relative frequency table by column. English Grade vs. Number of Languages Studied 90 or Above Lower than 90 Total English Only 0 point 1 2 0 point 2 8 cap x English and Another Language 0 point 8 8 0 point 7 2 cap y Total 1 point 0 1 point 0 1 point 0 What is the value of cap x ?

Revolt · Accepted Answer

B: 0 point 2 4

Question 7

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. English Grade vs. Number of Languages Studied 90 or Above Lower than 90 Total English Only 15 105 120 English and Another Language 110 270 380 Total 125 375 500 The counselor converts the frequency table to a conditional relative frequency table by column. English Grade vs. Number of Languages Studied 90 or Above Lower than 90 Total English Only 0 point 1 2 0 point 2 8 cap x English and Another Language 0 point 8 8 0 point 7 2 cap y Total 1 point 0 1 point 0 1 point 0 What is the value of cap x ?

Revolt · Accepted Answer

A: 0 point 2 4; C: 0 point 1 6

Question 8

The conditional relative frequency table was calculated by row using data from a survey of one station’s television programming. The survey compared the target audience with the type of show, either live or recorded, over a 24 -hour time period. Television Programming Live Recorded Total Adult 0 point 6 2 5 0 point 3 7 5 1 point 0 Children 0 point 5 0 point 5 1 point 0 Total almost equal to 0 point 5 8 3 almost equal to 0 point 4 1 7 1 point 0 Which is the best description of the value 0 point 3 7 5 in the table?

Revolt · Accepted Answer

B: Given that the program was targeted at adults, there is a  37 point 5 percent  chance that it was recorded.

Question 9

The conditional relative frequency table was generated by row using frequency table data comparing the hat size and shirt size of children on a baseball team. Hat Size and Shirt Size Child-sized Hat Adult-sized Hat Total Medium Shirt almost equal to 0 point 6 7 almost equal to 0 point 3 3 1 point 0 Large Shirt 0 point 2 0 point 8 1 point 0 Total 0 point 4 8 0 point 5 2 1 point 0 The coach attempts to determine an association between shirt size and hat size. Which is most likely true?

Revolt · Accepted Answer

A: There is likely an association because  0 point 8  is not similar to  almost equal to 0 point 3 3 .; D: There is likely an association because  0 point 8  is not similar to  0 point 2 .

Question 10

The conditional relative frequency table was generated by row using frequency table data comparing the hat size and shirt size of children on a baseball team. Hat Size and Shirt Size Child-sized Hat Adult-sized Hat Total Medium Shirt almost equal to 0 point 6 7 almost equal to 0 point 3 3 1 point 0 Large Shirt 0 point 2 0 point 8 1 point 0 Total 0 point 4 8 0 point 5 2 1 point 0 The coach attempts to determine an association between shirt size and hat size. Which is most likely true?

Revolt · Accepted Answer

A: There is likely an association because  0 point 8  is not similar to  almost equal to 0 point 3 3 .

Relative Frequencies and Association - Quiz Quiz Answers

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