Interpreting Bar Graphs Effectively

What type of graph is primarily discussed in the video?

• Line graph

• Bar graph

• Pie chart

• Scatter plot

In a bar graph, what does the length of the bar represent?

• The category of data

• The value of data

• The percentage of data

• The color of data

How is the 'whole' value in the proportion formula described in the video?

• As the maximum bar length

• As the sum of all parts

• As the total number of categories

• As 100 percent

What is the correct formula for calculating percentages from the video?

• Whole over part equals 100 over percent

• 100 over percent equals whole over part

• Part over whole equals percent over 100

• Percent over 100 equals part over whole

Which two colors combined exceed 30 tiles according to the video?

• Red and Yellow

• Blue and Yellow

• Green and Blue

• Red and Green

How do the number of blue and green tiles compare to red tiles?

• Equal to red

• Not comparable

• Less than red

• More than red

Based on the video, how many students would you expect to have birthdays in February if the sample is representative?

• 60 students

• 450 students

• 10 students

• 75 students

Which two months combined are responsible for 20% of the birthdays?

• January and February

• March and April

• February and May

• June and July

Which month has exactly 18 birthdays according to the graph?

• May

• March

• January

• June

What percentage of people prefer to ride the metro according to the video?

• 75%

• 27%

• 45%

• 60%