Age (yr) when award was won 10-11 12-13 14-15 16-17 18-19 20-21 22-23 Identify t
ID: 3068025 • Letter: A
Question
Age (yr) when award was won 10-11 12-13 14-15 16-17 18-19 20-21 22-23 Identify the lower class limits, upper class limits, class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary. FrequencyE 30 34 14 5 uuuru."y ur uur.,.-. r vuurmui. Uunul n unu: 'vu Trww.gu. Identify the upper class limits. 11, 13, 15, 17, 19. 21,23 Type integers or decimals. Do not round. Use ascending order) Identify the class width. 2 Type an integer or a decimal. Do not round.)MRES Identify the class midpoints. Type integers or decimals. Db not round. Use ascending order.)
Explanation / Answer
The number of individuals = Sum of frequencies =30+34+14+3+5+2+2=90
Formulas used :
Class width= Difference between any two consecutive Upper/lower class limit
Midpoint = (Lower Limit+Upper Limit)/2
Ages Frequency Lower class limit Upper class limit Class width Class midpoint Class boundaries 10-11 30 10 11 2 10.5 9.5-11.5 12-13 34 12 13 2 12.5 11.5-13.5 14-15 14 14 15 2 14.5 13.5-15.5 16-17 3 16 17 2 16.5 15.5-17.5 18-19 5 18 19 2 18.5 17.5-19.5 20-21 2 20 21 2 20.5 19.5-21.5 22-23 2 22 23 2 22.5 21.5-23.5