5.02 Quiz: Measures of Center

At Devon's new job he spent $12.99, $10.50, $9.89, $6.90, and $7.58 on lunch the first week. In the second week, he spent $2 more in total for the 5 lunches than the first week. What is the increase in the mean for the second week compared to the first? Round the answer to the nearest penny.

$0.40

Susie is participating in a bake sale for a fundraiser. She baked 8 pies to sell. Two pies weigh 105 g each, one pie weighs 106 g, two pies weigh 108 g each and the last three pies weigh 103.5 g, 102 g and 104.5 g. What is the average weight of the pies rounded to two decimal places?

105.25

What is the mean of the data set? 108, 305, 252, 113, 191

193.8

What is the mode of the data set? 61, 92, 61, 89, 92, 61

61

What is the median of the data set? 9, 3, 10, 12, 4, 5, 12, 2

7