Question

Introduction to Statistics Intervals & Midpoints Name: Score: Instructions: This worksheet will give you an overview of intervals and midpoints Intervals: Any time we see a regular parenthesis, the number next to it does not count in our interval. Any time we see a square bracket, [], and the number is counted in the interval. On the number line, a parenthesis is an open circle and a square bracket is a closed circle. Example: Describe the interval and sketch it on a mimber line: (2.4). Describe: This interval contains every number between 2 and 4, not including 2 but including 4. 0 1 5 6 1. Describe the interval and sketch it on a number line: (0,3]. Describe: 0 2 4 5 6 2. Describe the interval and slutch it on a number line: (1.4) Describe: 0 2 3 4 5 6 3. Describe the interval and sketch it on a number line: (2.6). Describes 0 2 4 5 6 4. Describe the interval and sketch it on a number line: (0.25]. Describes 0 1 2 3 1 5 6

Answer 1

0 [0,3 0 2 3 4 S [0,3 o and 3 This interval contains This interval contains every number between. including both @[1,4 This internal contains evely numbel between. I and 4 including both. (2,6) 2 3 Y 5 พ 2 3 4 5 6 2 6 6. excluding Both

(0 205] 4 o 2 2.5 J This inteval contains o Cy 2.5; including 2.5 including 2.5 but not o