A summary measure that is computed to describe a characteristic from only a sample of the population ...

A summary measure that is computed to describe a characteristic from only a sample of the population is called
 
  A) a summary table. B) an ordered array. C) a parameter. D) a statistic.

Q. 2

If a customer survey questionnaire is included in all the Blu-ray players made and sold by the company over the past 12 months, this method of collecting data will most like suffer from
 
  A) nonresponse error. B) nonprobability sampling.
  C) coverage error. D) measurement error.

Q. 3

Which of the following questions in the survey will not likely induce a measurement error?
 
  A) How many times have you brought the Blu-ray player back for service?
  B) How many times have you illegally copied copyrighted sporting events?
  C) What is your exact annual income?
  D) How many times have you failed to set the time on the Blu-ray player?

Q. 4

If there are 4 different brands of Blu-ray players made by the company, the best sampling strategy would be to use
 
  A) a cluster sample. B) a simple random sample.
  C) a stratified sample. D) a systematic sample.