Bell-Ringer 10/18

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

If the standard deviation of a data set is 4, what is the variance?

• 2
• 16
• 4

What does this symbol represent?

• Variance
• Standard Deviation
• Mean Absolute Deviation
• Sigma

What does this symbol represent?

• Standard Deviation
• Variance
• Mean Absolute Deviation
• Sigma

the square of this value will give the variance

• standard deviation
• variance
• mean
• median

What is the range in statistics?

• (Highest + lowest)/2

• Highest - lowest

• (Highest - lowest)/2

• (Highest - lowest)²

Before you can begin calculating the variance, you must first:

• find the mean

• find the median

• find the mode

• find the range