Stats Final Review CH. 1-5

Which of the following is a measure of variability?

• mean
• median
• mode
• standard deviation

What would be the most appropriate measure of center?

• Mean

• Median

• Interquartile Range

• Standard deviation

What is the most appropriate measure of center?

• Mean

• Median

• Interquartile Range

• Standard Deviation

What is the IQR?

• 4

• 6

• 2

• 8

What would be the most appropriate measure of variability?

• Mean

• Median

• Interquartile Range

• Standard deviation

What is the most appropriate measure of variability?

• Mean

• Median

• Interquartile Range

• Standard Deviation

What are the correct expressions for using the IQR to determine if there is an outlier that is a lot less and a lot greater than the other values. Hint: Choose 2 expressions.

• Q1 - 1.5(IQR)

• Q3 - 1.5(IQR)

• Q1 + 1.5(IQR)

• Q3 + 1.5(IQR)

the mean is more than the median

• skewed left

• skewed right

• symmetrical

the mean is less than the median

• skewed left

• skewed right

• symmetrical

What type of graph is this?

• Bar Graph
• Histogram
• Line Plot