For 2 would it just be anything over 3 standard deviations either way of the mean?


2. A sample of upper-level management at an international oil company found the annual
average salary to be x¯ = $400,000, with s = $40,000.
A sample of the administratrive assistants at oil companies found x¯ = $96,000 with
s = $9,600.
(a) (2 points) How large or small would an executive salary have to be in order to be
classified as an outlier?




5. (4 points) Tom (an intern) was asked by his supervisors to summarize a data set of
codes used to identify the geographic region of the company’s customers (100 represents
Lansing, 101 Bath, and so on). He created a histogram and table of descriptive statistics
for the codes. He was told that the work was incorrect and that he needed to find a
correct summary. Why was his work wrong, and what would be an example of a correct
summary?

i would think you are right about #2 since 99.7 is within thre
but there may be something else