Exploring Histograms

What distinguishes a histogram from a bar chart?

• Histograms cannot show quantitative data.

• Histograms use specific numbers only.

• Histograms display ranges instead of specific numbers.

• Bar charts are used for categorical data only.

How many students scored an 'A' on the test?

• 60 students

• 45 students

• 100 students

• 30 students

What is the value of each shaded box in the histogram?

• 20 points

• 10 points

• 15 points

• 5 points

What is the number of students who scored 'SC'?

• 55 students

• 45 students

• 40 students

• 50 students

How many students received a grade of 'NC'?

• 20 students

• 25 students

• 10 students

• 15 students

What is the total number of students who scored 80% or higher?

• 170 students

• 150 students

• 160 students

• 180 students

How many more students received a 'B' compared to those who received a 'C'?

• 60 students

• 55 students

• 50 students

• 45 students

How many students scored below 70?

• 20 students

• 25 students

• 30 students

• 35 students

What is the total number of students who took the test?

• 245 students

• 255 students

• 225 students

• 235 students

Can we determine the exact number of students who scored 100% from the histogram?

• No, because histograms only show failed students.

• Yes, it is possible.

• Yes, if we have additional data.

• No, histograms show ranges, not exact numbers.