Data and Statistics

What does "mean" mean?

• average
• middle
• repeats the most
• variation

How many students take the bus to school?

• 35
• 20
• 10
• 15

What does "mode" mean?

• average
• middle
• repeats the most
• variation

What is a the meaning for "median"?

• fair share
• middle
• repeats the most
• variation

How do you find the mean?

• order least to greatest, then slash from each side until you reach the middle
• add the numbers in your data set, then divide by the amount you added
• look for the number that repeats the most
• highest number minus the lowest number

How do you find the range?

• order least to greatest, then slash from each side until you reach the middle
• add the numbers in your data set, then divide by the amount you added
• look for the number that repeats the most
• highest number minus the lowest number

How do you find the mode?

• order least to greatest, then slash from each side until you reach the middle
• add the numbers in your data set, then divide by the amount you added
• look for the number that repeats the most
• highest number minus the lowest number

How do you find the median?

• order least to greatest, then slash from each side until you reach the middle
• add the numbers in your data set, then divide by the amount you added
• look for the number that repeats the most
• highest number minus the lowest number

What if you have two numbers for the median?

• use both for median
• add the two numbers, then divide them by 2 to find the true median

The heights of some students are given.
158cm     172cm      164cm
164cm     167cm      159cm
 What is the range of the heights?

• 13cm
• 14cm
• 164cm
• 330cm