Assignment on Statistics for Financial Decision

STATISTICS FOR
FINANCIAL
DECISIONS
STUDENT ID:
[Pick the date]

(a)A statistical overview of the data can be presented through the use of summary statistics as
has been highlighted below.
Comment
With regards to shape of the distribution of the above variables, it is apparent that none of the
given variables would be normally distributed as there is presence of skew for each of the
variables and also the measures of central tendency for neither of the variables tend to
coincide. Also, since the skew for each of the given variables is negative, hence there is a
leftward tail for each of the given variables which is indicative of potential outlier on the
lower side. Further the respective measures of central tendency along with dispersion for the
various variables have been captured in the table above.
(b)(i) The scatter plot between sales results and satisfaction scores is highlighted below.

Further, the value of the correlation coefficient comes out as 0.59 which highlights that there
is positive relationship of moderate strength between the satisfaction score and sales.
(ii) The scatter plot between sales results and number of advertisement is highlighted below.
Further, the value of the correlation coefficient comes out as 0.99 which highlights that there
is positive relationship of high strength between the number of advertisement and sales.
(iii) The scatter plot between sales results and number of stores is highlighted below.