Categorical Data with Frequency Tables and Bar Graphs

Why is this a bar chart and not a histogram?

• It's based on quantitative data
• It's based on categorical data

Which type of graph displays data in consecutive and equivalent intervals?

• Histogram
• Line Plot
• Venn Diagram
• Circle graph

Which interval shows the greatest number of pets?

• 15-19
• 0-4
• 5-9
• 10-14

The height of all the students in Ms. Long's class are recorded in the table. Where would the median fall?

• 60-65
• 50-54
• 40-44
• 55-59

Neal is going to buy an automobile and needs to spends less than $35,000 in order to afford the monthly payment. Looking at the histogram, how many automobiles does Neal have to choose from?

• 105
• 35
• 20
• 125

Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive? 

• 7:00-7:59 P.M.
• 8:00–8:59 P.M.
• 9:00–9:59 P.M.
• 10:00–10:59 P.M. 

Is a histogram the same as a bar graph?

• Yes, because they both use intervals.
• No, because a histogram displays numerical data while a bar graph displays categorical data.
• Yes, because they both use bars to display data.
• No, because a histogram displays categorical data while a bar graph displays numerical data.

What is incorrect about the following histogram?

• The intervals are too small
• The intervals overlap
• The graph does not start at 0
• The axes are not labeled.

Rhaul measured the heights of the apple trees in an orchard. What percent of the trees are 5-9 feet tall?

• 18.9%
• 31%
• 22.1%
• 10%

How many students have more than 1,000 songs on their MP3 player?

• 5
• 16
• 10
• 4