Dave works as a waiter. He is calculating his average tips from the past two weeks. His total tips from each night can be found in the table below, with all values being in dollars.DaySunMonTueWedThuFriSatWeek 1100.85166.57135.74148.12113.94190.13235.31Week 2102.57124.02142.40108.60110.50163.82183.01Find the mean of Dave’s nightly tips. Round to the nearest cent, if necessary.
Add the tips for all 14 nights: Week 1 totals $1,090.66 and Week 2 totals $934.92, for $2,025.58 altogether. Divide by 14 nights: $2,025.58 ÷ 14 = $144.684..., which rounds to $144.68. The correct choice is $144.68.
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