Question

Construct a frequency distribution table from the following data:- [3]

Marks No. of Students

less than 10 |6

less than 20 |15

less than 30 |30

less than 40 |39

less than 50 |53

less than 60 |70

less than 70 |75

less than 80 |89

less than 90 |96

less than 100 |100


​

Answer 1

ꜱᴄɪᴇɴᴄᴇ, ᴀɴʏ ꜱʏꜱᴛᴇᴍ ᴏꜰ ᴋɴᴏᴡʟᴇᴅɢᴇ ᴛʜᴀᴛ ɪꜱ ᴄᴏɴᴄᴇʀɴᴇᴅ ᴡɪᴛʜ ᴛʜᴇ ᴘʜʏꜱɪᴄᴀʟ ᴡᴏʀʟᴅ ᴀɴᴅ ɪᴛꜱ ᴘʜᴇɴᴏᴍᴇɴᴀ ᴀɴᴅ ᴛʜᴀᴛ ᴇɴᴛᴀɪʟꜱ ᴜɴʙɪᴀꜱᴇᴅ ᴏʙꜱᴇʀᴠᴀᴛɪᴏɴꜱ ᴀɴᴅ ꜱʏꜱᴛᴇᴍᴀᴛɪᴄ ᴇxᴘᴇʀɪᴍᴇɴᴛᴀᴛɪᴏɴ. ɪɴ ɢᴇɴᴇʀᴀʟ, ᴀ ꜱᴄɪᴇɴᴄᴇ ɪɴᴠᴏʟᴠᴇꜱ ᴀ ᴘᴜʀꜱᴜɪᴛ ᴏꜰ ᴋɴᴏᴡʟᴇᴅɢᴇ ᴄᴏᴠᴇʀɪɴɢ ɢᴇɴᴇʀᴀʟ ᴛʀᴜᴛʜꜱ ᴏʀ ᴛʜᴇ ᴏᴘᴇʀᴀᴛɪᴏɴꜱ ᴏꜰ ꜰᴜɴᴅᴀᴍᴇɴᴛᴀʟ ʟᴀᴡꜱ. ꜱᴄɪᴇɴᴄᴇ.