Shape, Center, and Spread Basics

Which distribution has the smallest IQR? What is the value of the IQR?

• C, IQR= 20

• B, IQR= 5

• A, IQR= 6

Distribution B is ______________

• symmetric

• skewed left

• skewed right

• uniform

The distribution shown is symmetric and we should use the mean and the standard deviation to describe the center and spread.

• True

• False

The IQR is the

• max - min

• Interquartile Range

• measure of spread that pairs with the mean

• Q₃ - Q₁

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• uniform

What is shape of the data?

• uniform

• skewed left

• skewed right

• symmetrical

What is the shape of the distribution?

• Skewed Left

• Skewed Right

• Symmetric

• Bimodal

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• uniform

Which statement best describes this graph?

• There is a peak at 47.

• There is a cluster around 38-40.

• The mode is 40, 28 and 42

• There is a gap in the data between 39-40.

Where is the gap in the data?

• 17

• 19

• 22

• 26