# Worksheet: Histograms

Q1:

Use the histogram to find the number of students who are between 60 and 70 inches tall.

Q2:

Use the histogram to find the number of students who are between 60 and 70 inches tall.

Q3:

The histogram shows the highest wind speeds in 30 different cities. How many cities recorded wind speeds of 75 mph or more?

Q4:

The histogram shows the highest wind speeds in 30 different cities. How many cities recorded wind speeds of 75 mph or more?

Q5:

The histogram shows the age at which several people started their first job. Using this information, determine how many people started their first job between the ages of 15 and 25.

Q6:

The histogram shows the times taken for a group of students to read a short article.

How many students took between 60 and 70 seconds to read the article?

• A17 students
• B16 students
• C19 students
• D15 students
• E18 students

How many more students took between 80 and 90 seconds to read the article than those who took between 50 and 60 seconds?

• A17 students
• B19 students
• C18 students
• D16 students
• E15 students

How many students took more than 80 seconds to read the article?

• A31 students
• B23 students
• C32 students
• D29 students
• E30 students

How many students took less than 70 seconds to read the article?

• A23 students
• B22 students
• C21 students
• D32 students
• E19 students

• A73 students
• B75 students
• C70 students
• D72 students
• E71 students

What is the longest possible range of times taken by the students?

What is the shortest possible range of times taken by the students?

Q7:

Which of the statements is correct for the distribution represented by the diagram?

• AThe distribution has an outlier and is not symmetric.
• BThe data is clustered around a peak of 8.
• CThe mean is 14.
• DThe data has a gap and is not symmetric.
• EThe data is symmertic.

Q8:

What type of data is appropriate for a histogram?

• Aqualitative
• Bquantitative–discrete
• Cquantitative–continuous

Q9:

What do the heights of the bars on a histogram represent?

• Athe overall range of values
• Bdata values
• Cthe frequency in each group

Q10:

This histogram shows the time that students spend doing homework every night. How many students spend seventy-five minutes or less doing homework?

Q11:

Michael recorded how long he takes to get dressed in the morning. The results are shown on the diagram. Which time interval has the highest frequency?

• A
• B
• C
• D
• E

Q12:

This histogram shows the time that students spend doing homework every night. How many students spend 15 minutes or more doing homework?

Q13:

The histogram shows the time it took for several runners to finish a 400-meter dash. Determine the percentage of runners who finished in less than 70 seconds.

Q14:

The frequency diagram shows the number of movies watched by a class of students during a month. How many students watched less than 14 movies?

• A155
• B125
• C15
• D140

Q15:

Use the histogram to find the percentage of cities that have an area between 200 and 600 square kilometers.

Q16:

The histogram represents the ages of people on a recent airplane flight. In what age range would you find the median of the data?

• A ages 20–29
• B ages 10–19
• C ages 40–49
• D ages 30–39

Q17:

The histogram demonstrates the wind speeds in 30 cities. What is the most common interval for the wind speed?

• A mph
• B mph
• C mph
• D mph

Q18:

What should be plotted on the vertical axis of a histogram?

• Athe overall range of values
• Bdata values
• Cfrequency

Q19:

Does this histogram show that the most common amount of sugar () per serving of cereal satisfies ?