1. Determine whether the samples are Independent or Dependent in each situation below: a. You and...
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1. Determine whether the samples are Independent or Dependent in each situation below: a. You and a random group of friends submit demographic and driving data to an on-line motor vehicle insurance provider. Each of you compare your rate quote from the on-line company to the rate you are currently paying through the local "brick-and-mortar" insurance company. b. A public health researcher selected a sample of sets of twins and enrolled one twin from each set in a physical fitness course. After the course was finished, the researcher put all participants through a timed physically-challenging activity and compared times for each set of twins. 2. For a test of hypotheses to compare two means based on independent samples, what happens to the likelihood of rejecting the null hypothesis for each action/change below, holding all other ideas/terms constant? a. Decrease Your Tolerance for a Type I Error b. Increase the Sample Sizes c. Decrease the Values of the Sample Standard Deviations 1. Determine whether the samples are Independent or Dependent in each situation below: a. You and a random group of friends submit demographic and driving data to an on-line motor vehicle insurance provider. Each of you compare your rate quote from the on-line company to the rate you are currently paying through the local "brick-and-mortar" insurance company. b. A public health researcher selected a sample of sets of twins and enrolled one twin from each set in a physical fitness course. After the course was finished, the researcher put all participants through a timed physically-challenging activity and compared times for each set of twins. 2. For a test of hypotheses to compare two means based on independent samples, what happens to the likelihood of rejecting the null hypothesis for each action/change below, holding all other ideas/terms constant? a. Decrease Your Tolerance for a Type I Error b. Increase the Sample Sizes c. Decrease the Values of the Sample Standard Deviations
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Sample Independence a Independent Since each friend independently submits their data and compares ra... View the full answer
Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
Posted Date:
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