Shapes and Spread of Data

• only 2nd period is symmetric
• both plots are symmetric
• 5th period is bimodal
• 2nd period's center is higher than 5th period

• the spread of 5th period is greater than 2nd period
• the spread of 2nd period is greater than 5th period
• 5th period is skewed right

• 2nd period has a gap at 16
• 5th period has an outlier
• 5th period's center is higher than 2nd period
• 2nd period's spread is greater than 5th period's spread

• neither plot has an outlier
• Hayes Road is skewed right
• Jefferson Road's spread is less than Hayes Road's spread
• Hayes Road's center is at 55

Describe the shape of the graph.

• Symmetrical

• Skewed

• Uniform

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

• Right Skewed

• Left Skewed

• Approximately Symmetrical

• Evenly spread out

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

• standard deviation

• interquartile range

• range

• median

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

• Left Tailed/Skewed

• Right Tailed/Skewed

• Approximately Symmetrical

• no skew

Type of Data arrangement

• Symmetrical

• Hairline

• Skewed Right

• Skewed Left

• only one of the data sets is symmetric
• the median in 1st period is greater than the median in 5th period
• the highest test score is the same in both classes
• the interquartile range is larger in 1st period than in 5th period