Analyzing Percentages in Surveys

This lesson covers data analysis using two-way tables and segmented bar graphs. Students learn to complete tables, calculate percentages, and visualize data. The lesson includes practical examples like analyzing survey data, identifying issues in a factory, and exploring relationships between tree types and heights, TV viewing habits, and butterfly species in different zones.

What is the percentage of students who play a sport but do not play a musical instrument?

• 68%

• 69%

• 70%

• 71%

In the two-way table, what percentage of students who do not play a sport also do not play an instrument?

• 42%

• 43%

• 45%

• 44%

What is the relative frequency of students who play sports and also play an instrument?

• 31%

• 32%

• 34%

• 33%

In the segmented bar graph, what percentage of students who do not play sports play an instrument?

• 57%

• 54%

• 55%

• 56%

What is the percentage of students who do not play an instrument but play a sport, according to the column frequency table?

• 75%

• 74%

• 73%

• 72%

Which machine in the eraser factory has the highest percentage of flawed products?

• Red

• Green

• Blue

• Yellow

What percentage of the yellow machine's products are flawed?

• 35%

• 40%

• 45%

• 50%

In the tree height study, what is the percentage of deciduous trees that are 40 feet or taller?

• 41%

• 40%

• 39%

• 38%

In the TV viewing habits study, which city prefers comedy shows more?

• Neither

• Chicago

• Both equally

• Topeka

In the butterfly study, is there a significant difference in the percentage of Eastern Tiger Swallowtails caught in the two zones?

• No, they are similar

• Zone 2 has more

• Yes, significant difference

• Zone 1 has more