Question 1,3,6

Lesson 13: Analyzing One-Variable Data 1. Calculate the range and standard deviation for the set of numbers. (Knowledge and Understanding) 25, 58, 81, 43, 56, 91, 21, 72 2. A packaging machine for a candy company is considered to be defective. The packages are supposed to contain 190 g. A sample of 10 packages was selected and the masses of each package were recorded. 193, 210, 174, 179, 185, 194, 198, 192, 188, 171 The machine is considered operating properly if the mean falls within one-half of a standard deviation of 190 g. Is the machine defective? (Application) 3- Given the set of numbers 13, 10, 7, 15, 13, x, consider each situation. (Thinking and Inquiry) a . The mean of the set is 11. Find the value of x. The median of the set is 11.5. What do you know about x? Explain. There are two modes. What do you know about x? Explain. 4 . Two players are trying out for the golf team. The coach kept tract of their scores as they played for a number of rounds. The scores are recorded in the table. Use statistics to decide which golfer the coach should keep on the team. Show all calculations. (Thinking and Inquiry) Golfer A Golfer B 66 65 68 72 70 72 71 73 73 73 76 75 82 80 83 80 86 85