Statistics

Warm-Up (Can you do these in your head?) A. Is 47 closer to 40 or 50? Is 0.47 closer to 0.40 or 0.50? B. Is 0.746 closer to 0.7 or 0.8? Is 5/466 closer to 5.46 or 5.47? C. Write 75% as a decimal. D. Write 0.06 as a percent. E. Write 1/4 as a decimal and then as a percent. F. Half of a class of 460 seniors are graduating this spring. What percentage are graduating? How many of these seniors are graduating? Skill: Round decimal numbers to the nearest tenth. Examples: . 19.246 rounded to the nearest tenth is 19.2. . 0.66666 rounded to the nearest tenth is 0.7. . 3.0067% rounded to the nearest tenth of a percent is 3.0% 1. Round each of the following numbers to the nearest tenth (or tenth of a percent). a. 0.33333333 b. 0.8656823 C. 4.999999 d. The national average APR for student credit cards is 18.5596. e. One bank charges 15.99% for a reward card for those with good credit