Total 2019 monthly sales for a brand of women's shoes, rounded to thousands of dollars, shown below: JAN FEB MAR APR MAY
Posted: Mon Sep 06, 2021 7:11 am
Total 2019 monthly sales for a brand of women's shoes, rounded to
thousands of dollars, shown below:
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
30 55 60 65 100 66 69 70 70 70 71 110
a) Is the distribution of monthly sales skewed or symmetric? Explain and show your
calculations.
b) Based on your answer in (a), are there outliers according to the 1.5 x IQR rule
if you think the distribution is skewed, or outside 3 standard deviations of the mean
if you consider the symmetric distribution? If so, what are they? If you have identified values
outliers, take a moment to examine the monthly data more closely. Which
your explanation for outliers? Show your calculations.
thousands of dollars, shown below:
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
30 55 60 65 100 66 69 70 70 70 71 110
a) Is the distribution of monthly sales skewed or symmetric? Explain and show your
calculations.
b) Based on your answer in (a), are there outliers according to the 1.5 x IQR rule
if you think the distribution is skewed, or outside 3 standard deviations of the mean
if you consider the symmetric distribution? If so, what are they? If you have identified values
outliers, take a moment to examine the monthly data more closely. Which
your explanation for outliers? Show your calculations.