*6.SP.3*

**Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.**

**"I Can Calculate and Interpret the Mean, Median, Mode, and Range of a given Data Set."**

**"Explain the difference between measures of center and measures of spread."**

**"Determine which Measure of Center best Summarizes the Data Set."**

Mean- finding the sum of a set of numbers in a data set and then dividing the sum by the amount of numbers in the data set.

- Another word for mean is average

Median- the middle number in a data set when listed from least to greatest.

- If there is an even set of numbers in the data set, you must find the mean of the two middle numbers. (after listing them from least to greatest)
- If there is an odd set of numbers in the data set, the middle number (after you have listed them from least to greatest) is your median.

Mode- The number that occurs the most often or frequently in a data set.

- You can have more than one mode.
- You can have no mode.

- This occurs if all the numbers in the data set appear the same number of times. There is
when this occurs.NO MODE

Range- The span of numbers in your data set.

- Find the range by subtracting the lowest number in the data set from the highest number.

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