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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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 26 Jul 2017 My Price 3.00

social contacts

Is the chance of getting a cold influenced by the number of social contacts a person has? A study by Sheldon Cohen, a psychology professor at Carnegie Melon University, seems to show that the more social relationships a person has, the less susceptible the person is to colds. A group of 276 healthy men and women were grouped according to their number of relationships (such as parent, friend, church member, and neighbor). They were then exposed to a virus that causes colds. A adaptation of the results is given in the following table.14

a Do the data present sufficient evidence to indicate that susceptibility to colds is affected by the number of relationships that people have? Test at the 5% level of significance.

b Give bounds for the p-value.

Answers

Maurice Tutor
(5)
Status NEW Posted 26 Jul 2017 08:07 PM My Price 3.00

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