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Percentiles
Related Topics
Wize University Statistics Textbook > Exploratory Data Analysis
Percentiles
3 Activities
Given the following order data set, find the first and third quartile.
120
130
130
150
170
170
180
200
210
240
240
240
250
260
270
270
290
300
310
330
330
\begin{array}{ccccccc} 120&130&130&150&170&170&180\\ 200&210&240&240&240&250&260\\ 270&270&290&300&310&330&330 \end{array}
120
200
270
130
210
270
130
240
290
150
240
300
170
240
310
170
250
330
180
260
330
First quartile = 170; Third quartile = 280
First quartile = 170; Third quartile = 290
First quartile = 170; Third quartile = 270
First quartile = 180; Third quartile = 270
First quartile = 150; Third quartile = 300
I don't know
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More Percentiles Questions:
Percentiles
This data shows the actual weight of a sample of 18 bags of rice, in pounds, rounded to the nearest 10th of a LB. (For instance 9.1, 10.4, etc.)
7.0, 7.1, 8.1, 9.1, 10.4, 10.5, 10.6, 10.6, 10.7, 10.7, 10.8, 10.9, 11.0, 11.0, 11.2, 11.3, 11.4, 11.5
Calculate the Interquartile Range: ___ pounds
Statistical Properties: Practice
True or false? Enter "T" for true; "F" for false (without quotations).