ECON 2B03 Study Guide - Quiz Guide: Type I And Type Ii Errors, Level Set, Standard Deviation
23 Nov 2012
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Assignment 4, fall 2012, due wednesday november 7. In order to facilitate grading, kindly complete your work in the space provided. It might be helpful to work out your answers rst then copy your nal work to the space provided. Plots in r are to be cut and paste, and note that hand drawn graphs are not acceptable. A random sample of the weights of a number of cups is as follows: 8. 40, 8. 25, 8. 05, 7. 84, 7. 36, 8. 54, 7. 56, 7. 56, 8. 02, 7. 39, 8. 34, Test the hypothesis that the machine is delivering at the level set by the manufacturer. Use a 0. 05 level of signi cance: the distribution of scores on a nationally administered graduate admissions test has remained normally distributed with a standard deviation of 100 points for many years. The test is designed to have a mean score of 500.
