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# STA101 Statistics For Business Assignment

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## Questions:

Question 1:

A sample of eight observations of variables x (years of experience) and y (salary in \$1,000s) is shown below:
x    5    3    7    9    2    4    6    8
y    20    23    15    11    27    21    17    14

a.Calculate and interpret the covariance between x and y.
b.Give a possible reason that the covariance is negative.
c.Calculate the coefficient of correlation, and comment on the relationship between x and y.
d.Give a possible reason that the correlation is negative.

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[Accessed 11 April 2021].

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My Assignment Help. Statistics For Business Assignment [Internet]. My Assignment Help. 2021 [cited 11 April 2021]. Available from: https://myassignmenthelp.com/free-samples/sta101-statistics/negative-correlation.html.

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