Business Summary Statistics Answers

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.

Jack works as a waiter and is keeping track of the tips he earns daily. About how much does Jack have to earn in tips on Sunday if he wants to average $19 a day?

Lisa is currently taking physics as one of her electives in school. Her grade at the end of the year is determined by the average of four exams, each worth 100 points. On her first test she got an 84, on her second she got a 92, and on her third an 80. What must she score on her fourth exam to get exactly 80% in the course?

Jerry has been a returning contestant on a game show for the last seven weeks. In a contestant's first seven appearances on the show they have a chance to answer one question and win anywhere between $200-$900. On their eighth appearance they get a chance to answer a question worth $10,000. Given Jerry's winnings in the following table, describe what would happen to the mean and median of the data set if he were to get the Week 8 question right.Week 1Week 2Week 3Week 4Week 5Week 6Week 7$684$770$481$647$277$853$712

What are the mean, median, and mode of the following data set? 3/4 2/5 1/10 3/4 1/4

What are the median and mode of the data set?48253446292746

Molly records the interest earned in her savings account in the last 5 months. What are the mean, median, and mode of the data set?Month 1Month 2Month 3Month 4Month 50.240.420.370.380.24