Statistics Two Way Tables

How many sophomores like burritos and pizza?

• 6

• 5

• 11

• 50

What percent of the total people attended neither?

• 15%

• 19%

• .15

• 7%

The branch of math concerned with the analysis, collection, interpretation, and presentation of various amounts of data

two-way table

• a table that displays two-variable data by organizing it into rows and columns

• a two-way table that displays relative frequencies

• the number of times the value appears in the data set

• the frequency of a specific data value divided by the total number of data values in the set

If a person on the Titanic is selected at random, what is the probability that they were a crew member?

The following table shows the statistics of the passengers and crew who sailed on the Titanic on its fateful maiden voyage in 1912.

Of the first class passengers on the Titanic, what fraction survived?

Given that a person died, what is the probability that they were a third class passenger?

The table shows the different types of engineers and the subject they liked most in school. 

Given that the person is an electrical engineer, what is the probability that they like math most?

You conduct a survey at school and ask students whether they take an art class or a foreign language.

If a student from the survey is selected at random, what is the probability that they take an art class?

You conduct a survey at school and ask students whether they take an art class or a foreign language.

If a student from the survey is selected at random, what is the probability that they do not take a foreign language?