Sunday

April 20, 2014

April 20, 2014

Posted by **Anonymous** on Friday, March 23, 2012 at 2:36pm.

a. Drawing a random sample

b. Drawing a systematic sample

c. Drawing a convenience sample

- statistics -
**PsyDAG**, Friday, March 23, 2012 at 5:02pmYou would want to control for the days of the week and times of purchases, so I would pick B.

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