CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The mean of the above frequency distribution is 3.5, then the value of x is:
Variable12x45Frequency23456


A
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
3
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 3
Given, Mean of the observations = 3.5

Mean= nifixinifi

3.5=1×2+2×3+x×4+4×5+5×620

3.5=58+4x20

4x+58=70
4x=12
x=3

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Measures of Central Tendency
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon