Understanding Two-Way Tables

What is the primary purpose of using a two-way table?

• To calculate the mean and median of a dataset

• To display two categories of data collected from the same source

• To compare three or more variables

• To display data collected from different sources

How many students did their homework and passed the math test?

• 1 student

• 32 students

• 64 students

• 3 students

What does the marginal frequency represent in a two-way table?

• The ratio of two different outcomes

• The probability of an event occurring

• The combined outcomes of two variables

• The total outcomes of a single variable

What percentage of students who did no homework passed the math test?

• 1%

• 32%

• 64%

• 3%

What is the ratio of students who did no homework and passed to those who failed?

• 3 to 64

• 64 to 3

• 32 to 1

• 1 to 32

Does the data support the belief that doing homework is associated with passing the math test?

• No, because the data is inconclusive

• Yes, because 3% of students who did homework failed

• No, because 1% of students who did no homework passed

• Yes, because 64% of students who did homework passed

Based on the new dataset, how many people prefer to snowboard?

• 120 people

• 106 people

• 144 people

• 130 people

What percentage of snowboarders are 41 years old or older?

• 49%

• 21%

• 82%

• 18%

What is the ratio of skiers aged 6 to 40 to those 41 and older?

• 49 to 23

• 23 to 49

• 98 to 46

• 46 to 98

Do the data support the resort owners' belief that people 41 and older prefer to ski?

• Yes, because 82% of people 41 and older prefer to ski

• No, because 18% of people 41 and older prefer to ski

• No, the data does not support any conclusions

• Yes, because 21% of snowboarders are 41 and older