Complete the following table: Score limits ƒ rel %f cum ƒ cum %ƒ 50 - 54 ______
ID: 3330854 • Letter: C
Question
Complete the following table:
Score limits ƒ rel %f cum ƒ cum %ƒ
50 - 54 ______ ______ ______ ______
45 - 49 ______ ______ ______ 90
40 - 44 ______ 12.5 50 ______
35 - 39 10 ______ ______ 50
30 - 34 ______ ______ ______ ______
25 - 29 4 ______ ______ 10
20 - 24 4 ______ _____ ______
The lower quartile is found in interval which interval?
20-29
25-29
30-34
35-39
20-29
25-29
Explanation / Answer
lower quartile
30-34
as 25 % lies above 10 and below 37.5
f rel% f cum- f cum%f 50-54 8 10 80 100 45-49 22 27.5 72 90 -44 10 12.5 50 62.5 -39 10 12.5 40 50 -34 22 27.5 30 37.5 -29 4 5 8 10 20-24 4 5 4 5 80 100