Question 1
Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.
Last year, nine employees of an electronics company retired. Their ages at retirement are listed below.
57 66 64 50 59 58 63 52 50
◦ 57.7 yr
◦ 58.0 yr
◦ 56.4 yr
◦ 57.0 yr
Question 2
Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.
The grocery expenses for six families were
,
,
,
,
, and
. Compute the mean grocery bill. Round your answer to the nearest cent.
◦ $100.82
◦ $67.21
◦ $68.65
◦ $80.65