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Exam (elaborations)

MSIT Exam 1 Questions with Actual Correct Answers.

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MSIT Exam 1 Questions with Actual Correct Answers. Statistic - CORRECT ANSWER any number based on the sample Parameter - CORRECT ANSWER true, exact value of whole population we wish we knew Sampling Error - CORRECT ANSWER error purely due to randomness; cannot ever be fully eliminated but ...

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  • November 16, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • msit
  • MSIT.
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ROSEGRADES
MSIT Exam 1 Questions with Actual
Correct Answers.
Statistic - CORRECT ANSWER any number based on the sample



Parameter - CORRECT ANSWER true, exact value of whole population we wish we knew



Sampling Error - CORRECT ANSWER error purely due to randomness; cannot ever be fully eliminated but
can be reduced by taking bigger population size



Voluntary Bias - CORRECT ANSWER Individuals can choose on their own whether to participate in the
sample; online poll



Response Bias - CORRECT ANSWER wording of question causes wrong answers



Nonresponse Bias - CORRECT ANSWER some individuals chosen for the sample can't be contacted or
refuse to participate



Undercoverage Bias - CORRECT ANSWER some members of the population are not represented in the
sample; survey done on existing customers



cluster sample - CORRECT ANSWER population is split into groups and several groups are chosen at
random; cheapest and easiest



stratified sample - CORRECT ANSWER population is divided into groups and some people chosen
randomly from each group; expensive and time consuming but most accurate



sampling frame - CORRECT ANSWER a list of individuals from whom the sample is drawn; should be
same as population and if not, sample has undercoverage bias



bar graph - CORRECT ANSWER shows count for each category

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