The following table gives you the distribution of marks secured by some students in an examination : Marks No. of students 0-20 42 21-30 38 31-40 120 41-50 84 51-60 48 61-70 36 71-80 31 Find : (a) Median marks. (b) The percentage of failures if the minimum for a pass is 35 marks.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
icon
Related questions
Question
The following table gives you the distribution of
marks secured by some students in an examination :
Marks
No. of students
0-20
42
21-30
38
31-40
120
41-50
84
51-60
48
61-70
36
71-80
31
Find : (a) Median marks.
(b) The percentage of failures if the minimum for a pass
is 35 marks.
Transcribed Image Text:The following table gives you the distribution of marks secured by some students in an examination : Marks No. of students 0-20 42 21-30 38 31-40 120 41-50 84 51-60 48 61-70 36 71-80 31 Find : (a) Median marks. (b) The percentage of failures if the minimum for a pass is 35 marks.
Expert Solution
steps

Step by step

Solved in 4 steps with 5 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill