C 1. Suppose the Ages of four instructors are 23, 25, 30, and 46 years. Find : a.) x b.) (x-5) c.) x

2. Given the three pairs of score of m and f values m 10 11 18 f 12 15 9 compute the following, a.) f b.) m c.) f d.) (m-2)f

Evaluation: Direction: Choose the correct answer among the choices. Write the letter only.

1. In statistics, which of these symbols are being used to represent the sample variance a. x b. s c. s d. d 2. which of these symbols represents summation symbol. a. S b. s c. d. 3. is used to denote the sum of values a. summation notation b. standard notation c.notation d. none of these. 4. Suppose you are given the following values such as: 5, 25, 23, 30 and 50. Using x, which choices has the correct answer a. 103 b. 101 c. 100 d. 130 5. Using (x) and the values of 5, 25, 23, 30 and 50. Find the choices with the correct answer. a. 4580 b. 4579 c. 4578 d. 5000