Maurice Tutor

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About Maurice Tutor

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Elementary,Middle School,High School,College,University,PHD

Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 2 Days Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 12 Oct 2017 My Price 7.00

New England played havoc

In June 2009 an onslaught of miserable weather in New England played havoc with people's plans and psyches. However, the dreary weather brought a quiet benefit to many city neighborhoods. Police reported that the weather was a key factor in reducing fatal and nondeadly shootings (The Boston Globe, July 3, 2009). For instance, it rained in Boston on 22 days in June, when 15 shootings occurred. In 2008, the city saw rain on only eight days and 38 shootings occurred. The table below shows the n u m b e r o f rainy days and the number of shootings that occurred in June from 2005 to 2009.

a. Calculate and interpret the covariance and the correlation coefficient.

b. Specify the competing hypotheses in order to determine whether there is a negative population correlation between the number of rainy days and crime.

c. Calculate the value of the test statistic and approximate its p-value.

d. At the 5% significance level, what is the conclusion to the test? Does it appear that dreary weather and crime are negatively correlated?

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Oct 2017 09:10 PM My Price 7.00

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