Exploring Two-Way Tables

To store data in a database

To calculate complex mathematical equations

To analyze data across two categories

To graphically represent data

By subtracting the number of female students from the total

By multiplying the number of male and female students

By dividing the total number of students by two

By adding the number of male students wearing glasses, contacts, and neither

The totals found outside the main portion of the table

The totals found in the center of the table

The totals found on the sides of the table

The totals found at the top and bottom of the table

75%

45.8%

60.2%

53%

16.7%

30.8%

25%

12.5%

150 students

200 students

95 students

108 students

30.8%

60.2%

50%

45%

Equal stock for glasses and contacts

Stock more contacts than glasses

Only stock glasses

Increase the stock of glasses

To find hidden data

To make the calculation easier

To ensure correct data interpretation

To avoid mathematical errors

Contacts are easier to manage

Glasses are out of fashion

Females prefer contacts over glasses

Contacts are cheaper than glasses