Question

${ \huge{ \boxed{ \bf{\underline{ \red{Answer}}}}}} : -$

The frequency distribution of marks scored by 50 students in a test given below.

Find the mean.



$\dag \rm \: {Image \: in \: photo.}$

$\dag \rm \: {No \: spam}$
​

Answer 1

Step-by-step explanation:

The frequency distribution of marks scored by 50 students in a test given below.

Find the mean.

\dag \rm \: {Image \: in \: photo.}†Imageinphoto.

\dag \rm \: {No \: spam}†Nospam

Answer 2

$\huge\fbox\colorbox{yellow}{✿ AɴSᴡᴇʀ✿}$

⇢ ᴛᴏᴛᴀʟ ɴᴏ. ᴏғ ᴠᴀʟᴜᴇs = 50

⇢ ʀᴀɴɢᴇ = ʜɪɢʜᴇsᴛ ᴠᴀʟᴜᴇ - ʟᴏᴡᴇsᴛ ᴠᴀʟᴜᴇ =98-8=90

⇢ ʟᴇᴛ ᴜs ᴅɪᴠɪᴅᴇ ᴛʜᴇ ɢɪᴠᴇɴ ᴅᴀᴛᴀ ɪɴᴛᴏ 10 ᴄʟᴀssᴇs

∴ ʟᴇɴɢᴛʜ ᴏғ ᴛʜᴇ ᴄʟᴀss ɪɴᴛᴇʀᴠᴀʟ =

ʀᴀɴɢᴇ / ɴᴏ. ᴏғ ᴄʟᴀss ɪɴᴛᴇʀᴠᴀʟ

⇢ 90/10=10

ʏᴏᴜʀ ᴀɴsᴡᴇʀ ɪs 10..