Shape, Center and Spread

Which of the following best describes the shape of the distribution?

• skewed left

• skewed right

• uniform

• symmetrical

Should we use the mean or the median to represent the center of the data?

Which of the following best describes the shape of the distribution?

• skewed left

• skewed right

• uniform

• symmetrical

Given that the data is symmetric, which pair of measures should be used to represent the data?

• center: median

  spread: standard deviation

• center: mean

  spread: IQR

• center: mean

  spread: standard deviation

• center: median

  spread: IQR

What does the interquartile range (IQR) measure?

• The range of the entire data set

• The spread of the middle 50% of the data

• The average value of the data set

• The difference between the mean and median

Which measure of spread should be used to describe the distribution?

• standard deviation

• interquartile range

• range

• median

What is the shape of the distribution?

• Skewed Left

• Skewed Right

• Symmetric

Describe the shape of the graph.

• Skewed right

• Skewed left

• Uniform

• Symmetrical

What type of shape distribution would you say this graph has?

• Left Tailed/Skewed

• Right Tailed/Skewed

• Approximately Symmetrical

• no skew

Which describes the shape of the distribution?

• skewed right

• skewed left

• symmetric

• uniform