08/05/2025 Histogram Skills Assessment Quiz

A histogram is used to display which type of data?

• Categorical data

• Continuous data

• Discrete data

• Qualitative data

If a class interval is 10–20 metres and the frequency is 15, what is the frequency density if the class width is 10 metres?

• 1.5

• 0.67

• 25

• 150

Which of the following is NOT required to draw a histogram?

• Class intervals

• Frequency density

• Cumulative frequency

• Frequency

Eesha is organizing a charity event and needs to pack gift bags with different weight categories. Given the following table, what is the frequency density for the 20–30 kg class of gift bags?

• 1.2

• 0.8

• 2.0

• 1.0

If a histogram has bars of equal width but different heights, what does the height of each bar represent?

• The class interval

• The frequency density

• The frequency

• The mean

Bianca is analysing the sales data of a clothing retailer using a histogram, and she notices that the distribution is skewed to the right. What does this mean?

• The majority of the sales are lower than the mean sales value

• The majority of the sales are higher than the mean sales value

• The sales values are distributed evenly around the mean

• There are no outliers in the sales data

If the frequency density for a class is 2 and the class width is 5 metres, what is the frequency?

• 7

• 10

• 2.5

• 0.4

Harry is analyzing the distribution of students' test scores in his class. Which of the following best describes a histogram with one peak in the centre and symmetrical sides?

• Bimodal

• Uniform

• Bell-shaped

• Skewed

Given a frequency table, which column must you complete before you can draw a histogram?

• Cumulative frequency

• Frequency density

• Midpoint

• Mean

If a class interval is 5–15 pounds and the frequency density is 0.5, what is the frequency?

• 2.5

• 5

• 10

• 0.05