1 (3 points) Suppose that a sample of some persons weights are put into a frequency distribution below. Determine the mean. class boundaries frequency 90.5-99.5 3 99.5-108.5 4 108.5-117.5 2 117.5-126.5 1 126.5-135.5 3 Your Answer: Answer Question 2 (4 points) Suppose that a sample of some persons weights are put into a frequency distribution below. Determine the standard deviation. class boundaries frequency 90.5-99.5 4 99.5-108.5 6 108.5-117.5 5 117.5-126.5 3 126.5-135.5 2 Your Answer: Page 1: 1 2 3 Question 3 (3 points) Suppose that a student at some university somewhere and gets the report card: What is their grade point average? class credit grade MATH 181 5 B- ENGL 121 5 C BIOL 105 3 B+ PYCH 101 5 A CHEM 131 4 A- Also suppose that the catalog says the grades points are as follows: Letter Grade Points Grade Earned A 4.0 A- 3.7 B+ 3.3 3.0 B B- 2.7 C+ 2.3 2.0 C 1.0 D F 0.0 Your