Understanding Dot Plots Quiz

Which of the following best describes a dot plot?

• A graph that uses bars to show the frequency of data in intervals

• A graph that uses dots to represent each data value above a number line

• A graph that divides data into quartiles and displays them as a box

• A graph that uses leaves and stems to organize data

Given the data set: 2, 3, 3, 4, 5, 5, 5, 6, which number would have the most dots above it in a dot plot?

• 2

• 3

• 5

• 6

If a dot plot shows 4 dots above the number 7, what does this mean?

• The number 7 appears 4 times in the data set

• The number 7 is the largest value

• There are 4 different numbers in the data set

• The data set has 7 values

Which data set would result in a dot plot with the most dots above the number 8?

• 5, 6, 7, 8, 9

• 8, 8, 8, 8, 8

• 6, 7, 8, 9, 10

• 7, 7, 8, 8, 9

A dot plot shows the following data: 3 dots above 2, 1 dot above 3, 2 dots above 4. How many data values are in the set?

• 3

• 4

• 5

• 6

Which of the following is NOT a feature of a dot plot?

• Each dot represents one data value

• Dots are stacked above each number on a number line

• Data is grouped into intervals

• It is useful for small data sets

If a dot plot has 5 dots above the number 10 and 2 dots above the number 12, what is the mode of the data set?

• 10

• 12

• 5

• 7

Which data set matches this dot plot? 2 dots above 1, 1 dot above 2, 3 dots above 3

• 1, 1, 2, 3, 3, 3

• 1, 2, 2, 3, 3, 3

• 1, 1, 2, 2, 3, 3

• 1, 1, 2, 3, 3

A dot plot shows 1 dot above 4, 2 dots above 5, and 4 dots above 6. What is the total number of data values?

• 4

• 5

• 6

• 7

Which statement is true about dot plots?

• They can only be used for categorical data

• They show the frequency of each value in a data set

• They are the same as histograms

• They do not show individual data values