Exploring Data Interpretation from Bar Graphs

The video tutorial explains how to analyze a bar graph showing favorite colors chosen by middle school students. The teacher guides through calculating the total number of students and determining the percentage of students who chose specific colors. The analysis involves checking statements against the graph data to find the correct answer, focusing on colors like red, yellow, orange, pink, blue, green, black, and purple. The tutorial emphasizes careful reading of questions and calculations to ensure accuracy.

What type of graph is being discussed in the video?

• Bar graph

• Histogram

• Pie chart

• Line graph

How many students in total were surveyed about their favorite colors?

• 100 students

• 60 students

• 30 students

• 50 students

What is the combined percentage of students who chose red, yellow, or orange?

• 35%

• 30%

• 32%

• 28%

Is the statement that fewer than 30% chose red, yellow, or orange supported by the data?

• Not mentioned

• Data is insufficient

• No

• Yes

What percentage of students chose pink as their favorite color?

• 10%

• 8%

• 12%

• 15%

Does the data support that more than one tenth of the students chose pink?

• No

• Data is insufficient

• Yes

• Not mentioned

How many students chose blue as their favorite color?

• 9 students

• 18 students

• 20 students

• 10 students

Is the statement that exactly 18 students chose blue supported by the data?

• Not mentioned

• No

• Data is insufficient

• Yes

What is the percentage of students who chose green, black, or purple?

• 50%

• 40%

• 46%

• 42%

Is the statement that exactly two-fifths of the students chose green, black, or purple supported by the data?

• Data is insufficient

• Not mentioned

• No

• Yes