Comparing Dot Plots: Key Concepts and Techniques

What does each dot in a dot plot represent?

• A category of data

• The total number of data points

• A single data point

• The mean of the data

What shape does a dot plot have if the data is evenly distributed from the center?

• Skewed left

• Skewed right

• No shape

• Symmetrical

Which measure of central tendency is best used when data is skewed?

• Mean

• Median

• Mode

• Range

In a symmetrical distribution, which central tendency measure is most appropriate?

• Median

• Range

• Mean

• Mode

What is the range of the data if the highest value is 40 and the lowest is 32?

• 72

• 8

• 32

• 40

What is the mode in a set where the number 36 appears most frequently?

• 5

• 36

• 40

• 32

If the data distribution has no apparent pattern, how is it described?

• Symmetrical

• Skewed right

• Skewed left

• No shape

What is the median when the middle numbers in the data set are 5 and 7?

• 12

• 5

• 6

• 7

Which statement is true if the distribution for a class is symmetrical?

• It is skewed right

• It has no shape

• It is skewed left

• It is evenly distributed from the center

What is the difference in the median travel time to school between room 434 and 425?

• 6 minutes

• 0 minutes

• 1 minute

• 5 minutes