Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 12 Oct 2017 My Price 6.00

regression of Nicotine

Another cigarette. Consider again the regression of Nicotine content on Tar (both in milligrams) for the cigarettes examined in Exercise 29.

 

a) What is the correlation between Tar and Nicotine?

b) What would you predict about the average Nicotine content of cigarettes that are 2 standard deviations below average in Tar content?

c) If a cigarette is 1 standard deviation above average in Nicotine content, what do you suspect is true about its Tar content?

Exercise 29

Cigarettes. Is the nicotine content of a cigarette related to the “tars”? A collection of data (in milligrams) on 29 cigarettes produced the scatterplot, residuals plot, and regression analysis shown:

a) Do you think a linear model is appropriate here? Explain.

b) Explain the meaning of in this context.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Oct 2017 12:10 PM My Price 6.00

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