1. Three measurements are made of the mass of a new automobile. The first is 3500 lbs., the second is 3502 lbs., and the third is 3501 lbs. The actual mass is known to be 3500 lbs. Are these measurements of mass accurate? ____ Are they precise?_____


2. I buy a 2 x 4 board from Home Depot. I measure it with an extremely fine measuring tool and find the width of the board to be 4 inches. Can I say that the board was accurately measured by Home Depot?___
Can I say that my measurement = 4 inches was precise? _____

3. In question # 2, how would it be possible to increase the precision of my measurement?
__________

4. I have a choice of two scales to use to weigh myself. The first will weigh in pounds, the
second scale in pounds with marks between each to indicate the ½ pound weight. Which will be more precise if both are accurate? _______