Term
Name: _______________________________________________ Date: _____________
Unit 9 – Statistics Terms
|Term |Describe |Example |
|Box | | |
|Plot | |[pic] |
|Dot Plot | | |
| | |[pic] |
|Histogram | |[pic] |
|Median | | |
|First and Third Quartiles | | |
|Interquartile | |Subtract |
|Range | |Third Quartile ([pic]) – First Quartile ([pic]) = IQR |
|Outlier | |[pic] |
|Mean | |5 + 4 + 2 + 6 + 3 = 20 |
| | |[pic] The Mean is 4. |
|Mean Absolute Deviation (MAD) | |Steps: |
| | |Find the Mean |
| | |Calculate the absolute value of the difference between each data value and |
| | |the mean |
| | |Determine the average of the differences in step 2. This average is the mean |
| | |absolute deviation |
|Measures of Center | |Find the Mean and Median for the following data. Hint: (Must order the |
| | |numbers first before finding the Median) |
| | |2 1 5 4 3 |
| | |Mean: [pic] Median = 3 |
|Measures of spread | |Examples of Measures of Spread: |
| | |Range |
| | |Interquartile Range (IQR) |
| | |Mean Absolute Deviation - MAD |
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