Millions of customers purchased the Stats-on-the-Go
app last year. The ages (in years) of small sample of
these customers is given below. What is the standard
deviation of this data? Round your answer to 2 places
after the decimal point, if necessary.
X
29.4
17.9
20.4
41.4
18
28.7
33.5
40.2
standard deviation =
