Question

literacy rates ( in percentage) of 35 cities are give in the following table. find the mean of the data..


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Answer 1

ᗩᑎՏᗯᗴᖇՏ:-

ᴛᴏ ғɪɴᴅ ᴛʜᴇ ᴄʟᴀss ᴍᴀʀᴋ (xɪ) ᴏғ ᴇᴀᴄʜ ɪɴᴛᴇʀᴠᴀʟ ,ᴜsɪɴɢ ᴛʜᴇ ғᴏʀᴍᴜʟᴀ ʀᴇᴀʟᴀᴛɪᴏɴ

xɪ=

ᴜᴘᴘᴇʀ ᴄʟᴀss ʟɪᴍɪᴛ + ʟᴏᴡᴇʀ ᴄʟᴀss ʟɪᴍɪᴛ

2

ᴄʟᴀss sɪᴢᴇ (ʜ) ғᴏʀ ᴛʜᴇ ᴅᴀᴛᴀ =10

ᴛᴀᴋɪɴɢ 70 ᴀssᴜᴍᴇᴅ ᴍᴇᴀɴ (ᴀ) ,ᴄᴀʟᴄᴜʟᴀᴛɪɴɢ ᴅɪ,ғɪ, ᴜɪ;

ғʀᴏᴍ ᴛʜᴇ ᴛᴀʙʟᴇ..

Σғɪ = 35

Σғɪᴜɪ = -2

ᴍᴇᴀɴ = ᴀ(Σғɪᴜɪ÷Σғɪ)×ʜ

= 70+(-2÷35) ×10

= 70-(20÷35)

= 70-(4÷7)

= 70-0.57

= 69.43

ᴛʜᴇʀᴇғᴏʀᴇ,ᴍᴇᴀɴ ʟɪᴛᴇʀᴀᴄᴀʀʏ ʀᴀᴛᴇ ɪs 60.43%

ᕼOᑭᗴ ITᘔ ᕼᗴᒪᑭ ᑌ...❣️

Answer 2

Answer:

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