Question

Pls ans. this que...it will be a lot for me..thanku in advance :)​

Answer 1

ᴍᴇᴀɴ = sᴜᴍ ᴏғ ᴏʙsᴇʀᴠᴀᴛɪᴏɴs / ᴛᴏᴛᴀʟ ɴᴏ. ᴏғ ᴏʙsᴇʀᴠᴀᴛɪᴏɴs

ᴍᴇᴀɴ = 12 + 15 + 32 + 13 + x / 5

53 = x + 72 / 5

x + 72 = 265

x = 265 - 72

x = 193

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs =)

Answer 2

Answer:

(Note: Direct Method is used here, to find mean for grouped data)

Hope this answer is right.☺️