QuickHelper

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About QuickHelper

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Teaching Since: May 2017
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  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

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  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Statistics Posted 28 Aug 2017 My Price 11.00

Do the statistics project with minitab or excel or TI-84

Question description

 

This project is worth 25 points. Show all work to get full points. Use Minitab, EXCEL or Ti-83 calculator. For each problem attach a print out of the results. The papers should be stapled. No loose papers will be accepted. No handwritten work accepted.

For the entire project refer to the data set attached.

For each variable, Carbon monoxide, Tar and Nicotine, do the following.

  1. Obtain a stem and leaf plot for each of the variables and comment on the shape.
  1. Obtain a five number summary and box plot, and comment on the shape
  1. Find the mean and s.d. What percentage of values lie in the 2 s.d range?
  1. Obtain the normal probability plot. Are the variables normally distributed?
  1. Obtain a 95% confidence interval for the mean amount of each of the content.

Give your comment on the results obtained.

Answers

QuickHelper
(10)
Status NEW Posted 28 Aug 2017 07:08 AM My Price 11.00

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