Consider the data set: 26, 29, 24, 17, 27, 20, 23, 21, 26,
27.
(a) Find the median and the upper and lower quartiles for this
data set.
(b) Setup then evaluate the numerical expression for the mean of
this data set. You must write it out completely. (
c) Setup and then evaluate the numerical expression for the
variance of this data set. You must write it out completely.
(d) Find the standard deviation of this data set.