Transcription of Unit 7 – Hypothesis Testing Practice Problems SOLUTIONS
{{id}} {{{paragraph}}}
Example: biology
Unit 7 – Hypothesis Testing Practice Problems SOLUTIONS
PubHlth 540 Fall 2011 Introductory Biostatistics Page 1 of 9 Unit 7 Hypothesis Testing Practice Problems SOLUTIONS 1. An independent Testing agency was hired prior to the November 2010 election to study whether or not the work output is different for construction workers employed by the state and receiving prevailing wages versus construction workers in the private sector who are paid rates determined by the free market. A sample of 100 private sector workers reveals an average output of parts per hour with a sample standard deviation of 16 parts per hour. A sample of 100 state workers reveals an average output of parts per hour with a sample standard deviation of 18 parts per hour.
Unit 7 – Hypothesis Testing Practice Problems SOLUTIONS . 1. An independent testing agency was hired prior to the November 2010 election to study ... Preliminary – Obtain sample variance of the differences, 2 . S. d () 10 210 ii 2 i=1 d dd d 0.32 S = = =0.1688889 (n-1) 9
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: