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# "What method of data collection would you use to collect data for a study where a drug was given to 10 patients and a placebo to another group of 10

"What method of data collection would you use to collect data for a study where a drug was given to 10 patients and a placebo to another group of 10 patients to determine if the drug has an effect on a patient's illness?

a) use sampling
b) take a census
c) perform an experiment
d) use a simulation"
- Sent to Statistics And Probability Expert Tutor on 5/16/2010 at 8:46pm
"A recent survey by a national women's association showed that the average salary of 3500 of its 65,000 membership was \$73,000. This number is a parameter or statistic?"
- Sent to Statistics And Probability Expert Tutor on 5/16/2010 at 9:09pm
"Suppose the standard deviation is 13.1. What is the variance?

171.62
13.1
15.3
3.62"

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