Exploring Dot Plots, Bar Graphs, and Histograms

How many students spent at least 9 minutes eating breakfast?

• 15

• 7

• 2

• 40

What does 'frequency' mean in data representation?

• The maximum value in a data set

• The number of times a value appears in a data set

• The average value of a data set

• The difference between the highest and lowest values in a data set

In a dot plot, what does each dot represent?

• A category or group

• A percentage of the total

• An individual data point or occurrence

• The total number of data points

How many students were surveyed in the bar graph example?

• 60

• 50

• 63

• 40

How many more birthdays were in October compared to August?

• 7

• 8

• 1

• 0

Which month had the most student birthdays?

• January

• June

• December

• October

What type of data do bar graphs represent?

• Both quantitative and qualitative data

• Quantitative data

• Qualitative data

• Neither quantitative nor qualitative data

How many days did the student sleep more than 8.5 hours?

• 50

• 35

• 4

• 2

What is the bin width in the discussed histogram?

• 2.0

• 0.5

• 0.25

• 1.0

What distinguishes a histogram from a bar graph?

• Bar graphs use bins

• Histogram bins are adjacent with no gaps

• Bar graphs represent individual data points

• Histograms are used for qualitative data