Mean, Median, Mode & Range

Mean, Median, Mode & Range

3/25/22​

Open Ended

In your own words describe the mean of a data set.

​Mean or Average

To find the mean of a data set.

1. Add up all the numbers in the set 

2. Divide by the total number of numbers.​

Mean, Median, Mode & Range

Open Ended

In your own words describe the median of a data set.

​Median

To find the median of a data set.

1. List the numbers in order

2. Cancel out numbers until you get to a single number.​

3. If there is not a single number in the middle, find the average of the two middle numbers.​

Mean, Median, Mode & Range

​-The middle number

Open Ended

In your own words describe the mode of a data set.

​Mode

To find the mode of a data set.

1. Find the number that occurs most often

   • There can be more than 1 mode

   • There can be no mode

Mean, Median, Mode & Range

​-The number that occurs most often

​Range

To find the range of a data set.

1. Find the largest & smallest number

2. Subtract the smallest number from the largest number.

Mean, Median, Mode & Range

​-The difference from the largest and smallest number

Multiple Choice

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2
• Write them both as the answer
• Give up
• Pick one

Multiple Choice

What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7

• 7
• 20
• 7 & 14
• none of the above

Multiple Choice

What is the mode in this set of numbers: 12, 14, 13, 16, 19, 22

• 12

• 13

• 12&14

• none of the above

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