Exercise
Finding Joint Relative Frequencies
Practice finding joint relative frequencies in two-way tables. Calculate the proportion of a specific category combination relative to the grand total.
Questions
-
MultiChoice
In a survey of 100 students, 20 boys prefer Math. What is the joint relative frequency of boys who prefer Math?
-
MultiChoice
Out of 200 surveyed adults, 30 prefer tea in the morning. What is the joint relative frequency of adults preferring morning tea?
-
MultiChoice
In a group of 80 people, 20 are adults who cycle to work. What is the joint relative frequency of adult cyclists?
-
MultiChoice
A survey of 50 commuters shows 6 drive electric cars in the city. What is the joint relative frequency of electric car city drivers?
-
MultiChoice
Out of 150 students, 45 eighth graders play soccer. What is the joint relative frequency of eighth-grade soccer players?
-
MultiChoice
In a table of 100 households, 8 have both a cat and a parrot. What is the joint relative frequency of households with both?
-
MultiChoice
A study of 50 shoppers shows 9 teenagers buy fruit. What is the joint relative frequency of fruit-buying teenagers?
-
MultiChoice
In a survey of 200 moviegoers, 70 teenagers choose comedy. What is the joint relative frequency of teenagers choosing comedy?
-
MultiChoice
Out of 60 pet owners, 6 seniors own birds. What is the joint relative frequency of senior bird owners?
-
MultiChoice
In a total of 100 respondents, 22 adults vote Yes on Proposal A. What is the joint relative frequency of adults voting Yes?
-
MultiChoice
Out of 50 participants, 20 children chose vanilla ice cream. What is the joint relative frequency of children choosing vanilla?
-
MultiChoice
In a sample of 120 students, 6 seventh graders study German. What is the joint relative frequency of seventh grade German students?