1a-d The American Society for Microbiology and the Soap and Detergent Associatio

Question

1a-d

The American Society for Microbiology and the Soap and Detergent Association released survey results indicating that among 3065 men observed in public restrooms, 2023 of them washed their hands, and among 3011 women observed, 2650 washed their hands (based on data from USA Today) a. is the study an experiment or an observational study? b. Are the given numbers discrete or continuous c. Are the given numbers statistics or parameters? d. Is there anything about the study that might make the results questionable?

Explanation / Answer

Answers

a. This is an observational study as there were no experiments conducted to prepare the survey

b. The given numbers are discrete as they are the number of men and women observed and who washed their hands. All the given numbers are countable and finite.

c. The given numbers are statistics as they are associated with sample results of the survey.

d. It is not mentioned that the survey is conducted from a sample selected at random. If the samples are not random, it might not be an adequate representation of the population.

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