Question

define class mark and class size​

Answer 1

Class size: Difference between the true upper limit and true lower limit of a class interval is called the class size. ... Class mark: Mid-value of each class interval is called its class mark.

Answer 2

Answer:

ᴄʟᴀss sɪᴢᴇ: ᴅɪғғᴇʀᴇɴᴄᴇ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴛʀᴜᴇ ᴜᴘᴘᴇʀ ʟɪᴍɪᴛ ᴀɴᴅ ᴛʀᴜᴇ ʟᴏᴡᴇʀ ʟɪᴍɪᴛ ᴏғ ᴀ ᴄʟᴀss ɪɴᴛᴇʀᴠᴀʟ ɪs ᴄᴀʟʟᴇᴅ ᴛʜᴇ ᴄʟᴀss sɪᴢᴇ. ... ᴄʟᴀss ᴍᴀʀᴋ: ᴍɪᴅ-ᴠᴀʟᴜᴇ ᴏғ ᴇᴀᴄʜ ᴄʟᴀss ɪɴᴛᴇʀᴠᴀʟ ɪs ᴄᴀʟʟᴇᴅ ɪᴛs ᴄʟᴀss ᴍᴀʀᴋ.

hope it helps uhh

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- Pari 4166❤❤