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WeBWorK Question ECON 325 HW6 additional Q1

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Tags

DBsubject: Statistics
DBChapter: Sampling distributions'
DBSection: Sample mean'

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What we learned

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Prerequisite knowledge

Questions are not currently tagged with pre-req knowledge

Learning Objectives

    Find the standard error of a sample mean, identify which density function graphic indicates a lower tail probability for the sample mean, find the probability that the sample mean is less than a given value, decide whether the standard error would increase or decrease by increasing the sample size, decide if a tail probability for the sample mean would increase or decrease by changing the sample size.

Suggested use(s) and tips

  • The question was devised to be used in the on-line homework system WeBWorK, and the suggested number of attempts permitted is given in the question’s PG file.
  • The question could also be used on tests or for homework.

About this resource

    Created 2015/10/25

  • Credits: Eugenia Yu, Diana Whistler, Bruce Dunham, Nelson Chen. The question is available in the Open Problem Library (OPL) in WeBWorK.
  • Question includes randomisation.
  • Solutions available in WeBWorK.