If approximately 325 candidates did obtain more than 69 qualified in the written examination, what should be the percentage of the qualifying marks?
Answers
Given : Distribution of 1000 candidates as regards their marks in written examination out of 300
And interview out of 100 in a selection examination
approximately 325 candidates were to be qualified in the written examination,
To Find : What should be the percentage of the qualifying marks
Solution:
Written Marks Frequency cf
260 & above 100 100
210 - 259 80 180
160 - 209 154 334
110 - 159 380 714
60 -109 190 904
Below 60 96 1000
Total 100
approximately 325 candidates did obtain more than qualified
209.5 - 50 * ( 325 - 180)/154
= 209.5 - 47
= 162.5
percentage of the qualifying marks = (162.5)/300 * 100 = 54.16 %
Learn More:
Find the median of the following data: 19, 25, 59,48,35,31,30,32,51 ...
brainly.in/question/7401258
for a data set with upper quartile equal to 55 and median equal to 42 ...
brainly.in/question/14560272
