Question

Tha mathematics class a teacher explain the concept for
(delraining
the mean
by defining the formula
the
further a teacher give one example for explaining
above concept. The manke obtained by to cludents of class
Ifa Cendesin school in ubabe of low marks are presented
in table below
clash Internal 10-25 25-40 Yo-ss. ss-To 70-85 85-lool
3
No of student 2
6
6
Find the number of student securing
more than any
equal to to marks
Chl 12 (۱)
(d) 18
)
find the comolative forequency value in the interwalttes
Co-65)
ch 12
(۱)
(1
(d) 18
Thucough cumulative prequency tuible, which centarcel
measurement can be determined
(6) Mode
(c) Median Cell Noneof those
Call Mean​

Answer 1

Answer:

ক.সরল করো৭+১/২-৪/ ৭এর৭/৮ খ.বাশটির ... বাশটির কতো অংশ রং করা বাকি রইল