Identify the class width, class midpoints, and class boundaries for the given fr
ID: 3033370 • Letter: I
Question
Identify the class width, class midpoints, and class boundaries for the given frequency distribution. Full data set Height (inches) Frequency 57.0 dash 61.9 57.0-61.9 4 4 62.0 dash 66.9 62.0-66.9 25 25 67.0 dash 71.9 67.0-71.9 9 9 72.0 dash 76.9 72.0-76.9 1 1 77.0 dash 81.9 77.0-81.9 0 0 Height (inches) Frequency 82.0 dash 86.9 82.0-86.9 0 0 87.0 dash 91.9 87.0-91.9 0 0 92.0 dash 96.9 92.0-96.9 0 0 97.0 dash 101.9 97.0-101.9 0 0 102.0 dash 106.9 102.0-106.9 1 1 What is the class width? nothing What are the class midpoints? nothing , nothing , nothing , nothing , nothing , nothing , nothing , nothing , nothing , nothing (Use ascending order. Round to two decimal places as needed.) What are the class boundaries? nothing , nothing , nothing , nothing , nothing , nothing , nothing , nothing , nothing , nothing , nothing (Use ascending order. Round to two decimal places as needed.)
Explanation / Answer
Class width : Upper class limit - lower class limit = 61.9 - 57.0 = 4.9
Hence class width = 4.9
Class - Boundaries
Lower limit
Class Boundaries
Upper Limit
Class Class Mid -pointsClass - Boundaries
Lower limit
Class Boundaries
Upper Limit
57.0 -61.9 59.45 57.0 61.9 62.0 -66.9 64.45 62.0 66.9 67.0 - 71.9 69.45 67.0 71.9 72.0 - 76.9 74.45 72.0 76.9 77.0 - 81.9 79.45 77.0 81.9 82 . 0 -86.9 84.45 82.0 86.9 87.0 - 91.9 89.45 87.0 91.9 92.0 - 96.9 94.45 92.0 96.9 97.0 - 101.9 99.45 97.0 101.9 102.0 - 106.9 104.45 102.0 106.9