9. Measures of Center, Spread, and Position
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Organize the data into a list by first pushing the STAT button and then choosing Edit.
Minimum: 17.8
Lower Quartile: 20.4
Median: 21.4
Upper Quartile: 21.8
Maximum: 22.7
To calculate the different statistical measures, we have to organize the information into a list. To do so, we will push STAT, choose Edit, and then enter the data into the first list.
Next, we will analyze the data by pressing the STAT button again and navigating to the CALC
menu. Then, we press ENTER once to select the 1-Var Stats
option and then again to select the list in which we entered the data (usually L1).
Although we may have to use the arrow keys to see them, the calculator will display all of the necessary statistical measures. minX:& 17.8 (minimum value) Q_1:& 20.4 (lower quartile) med:& 21.4 (median value) Q_3:& 21.8 (upper quartile) maxX:& 22.7 (maximum value)