CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

The following frequency distribution showing the marks obtained by $$25$$ students in science subject. Find the mean using Assumed mean method.
453020.png


A
90
loader
B
91
loader
C
92
loader
D
93
loader

Solution

The correct option is C $$92$$
Answer:- By shortcut Method

Marks
(x) 
Students
(f) 
d=x-A fd 
903-2-6
914-1-4
92=A500
93616
947214
 $$\Sigma f = 25$$  $$\Sigma fd = 10$$ 
Mean = $$A+\cfrac{\Sigma fd}{\Sigma f}=92+\cfrac{10}{25} =\cfrac{92+0.4}=92.4 \simeq 92$$
C)92

Mathematics

Suggest Corrections
thumbs-up
 
0


similar_icon
Similar questions
View More


similar_icon
People also searched for
View More



footer-image