NameIncome
Andy£9500
Bevan£25000
Cheryl£13250
Deva£75000
Elliott£18750
Frankie£29500
Grace£11000
a) Work out the mean income.
b) Deva was given a large bonus for 30 years service.
Excluding Deva's income, what was the mean income for the remaining 6 workers to 2 DP?