wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Following table gives frequency distribution of electricity consumption of a household in certain area in a month.

No. of units of electricity0 - 2020 - 4040 - 6060 - 8080 - 100
No. of households41647658
Find modal no. of units of electricity consumed by households in a month.

A
64
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
62.8
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
63.8
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
None of these
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is C None of these
Frequency distribution table:
ci fi
020 4
2040 16
4060 47
6080 65
80100 8
Mode=l+(f1f02f1f0f2)×h
Here,
maximum frequency f1=65
modal class =6080
lower limit of modal class l=60
class size h=20
preceding frequency of modal class f0=47
succeeding frequency of modal class f2=8
Mode=14.05+(6547130478)×20
Mode=14.05+(1875)×20
Mode=64.8
Hence, option D is correct.

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