Exploring Patterns of Association in Two-Way Tables

The video tutorial covers the analysis of data from Miss Snyder's class, focusing on students wearing glasses or contact lenses. It introduces two-way frequency tables to organize categorical data, using a survey of sports preferences among 13 and 14-year-olds. The tutorial guides students through constructing and interpreting these tables, analyzing the data, and drawing conclusions about sports preferences. Recommendations are made for an after-school sports program based on the survey results.

How many 7th grade students were in Miss Snyder's class?

• 8 students

• 5 students

• 14 students

• 12 students

What percentage of 7th graders wear glasses or contact lenses?

• About 54%

• About 57%

• About 50%

• About 31%

What percentage of students in total wear glasses or contact lenses?

• About 50%

• About 31%

• About 57%

• About 54%

What is the purpose of a two-way frequency table?

• To compare two different classes

• To calculate percentages

• To display numerical data

• To organize categorical data

How many 14-year-olds prefer soccer according to the survey?

• Four

• Three

• Five

• Six

How many students were surveyed in total?

• 15 students

• 26 students

• 30 students

• 20 students

How many 13-year-olds prefer volleyball?

• Two

• Three

• Four

• Five

Which sport should Ms. Carter not include in the after-school program?

• Basketball

• Soccer

• Volleyball

• Baseball

Which sport is the most favorite among 14-year-olds?

• Basketball

• Baseball

• Volleyball

• Soccer

What is the least favorite sport among 13-year-olds?

• Soccer

• Basketball

• Volleyball

• Baseball