Interpreting Associations Using Two-Way Tables

A survey was conducted in which students were asked their preferred time of day between AM or PM and their choice of fast food, McDonald's (M), Taco Bell (T) and Wendy's (W). How many people like Taco Bell and prefer the PM?

• 8

• 7

• 2

• 4

A survey was conducted in which students were asked their preferred time of day between AM or PM and their choice of fast food, McDonald's (M), Taco Bell (T) and Wendy's (W). What was the most popular restaurant choice among students who prefer the morning?

• McDonald's

• Taco Bell

• Wendy's

A survey was conducted in which students were asked their preferred time of day between AM or PM and their choice of fast food, McDonald's (M), Taco Bell (T) and Wendy's (W).

What was the most popular restaurant choice among students who prefer the evening?

• McDonald's

• Taco Bell

• Wendy's

Two Way table shows the results of a survey where high school students were asked if they have a curfew. Use the table to answer the following questions

How many sophomores do not have a curfew?

• 32

• 98

• 130

• 84

This two-way table shows the results of asking students if they prefer to have gym class in the morning or the afternoon.

The number of the students participated in the survey is

(a)   . The number of the students in grade 8 prefer to have gym in the morning is ​ (b)   . The number of the 10th grade students participated in the survey is ​ (c)   . The number of the students prefer to have gym in the afternoon is ​ (d)   .​ ​

• 100

• 18

• 38

• 55

• 12

• 39

• 23

• 45

Given that the grade is a B, what is the probability of the student being male?

• 6/15

• 9/15

• 6/56

• 9/44

Of the times when the forecast called for rain, what is the percentage that it actually rained?

• About 90%

• About 50%

• About 70%

• About 80%

What percent of people who bought no food purchased water?

• 14.3%

• 33.3%

• 5%

• 41.1%

Many adults are selected at random to respond to a survey about their favorite season and whether they have allergies or not. The two-way table summarizes the results from the survey. Which season is the least popular in this group?​ How many more people have allergies than people without allergies in this group? ​ How many people were surveyed in this group? ​

• Spring

• Fall

• Winter

• Summer

• 21

• 23

• 25

• 225

• 252

To show a STRONG association between age and study habits B and C should be _ because _

• 60% and 40%, the percent between 7-11 year olds would be very different from the percent for 12-18 year olds

• 20% and 80% because the percent between 7-11 year olds would be the same as the percent for 12-18 year olds

• 30% and 70% because the percent between 7-11 year olds would be the close to the percent for 12-18 year olds