Ex 3.2, 5 (iv) - Chapter 3 Class 7 Data Handling

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Ex 3.2, 5 - Chapter 3 Class 7 Data Handling - Part 4

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Ex 3.2, 5 Tell whether the statement is true or false: (iv) The data 6, 4, 3, 8, 9, 12, 13, 9 has mean 9 Mean = (𝑆𝑢𝑚 𝑜𝑓 𝑜𝑏𝑠𝑒𝑟𝑣𝑎𝑡𝑖𝑜𝑛)/(𝑁𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑜𝑏𝑠𝑒𝑟𝑣𝑎𝑡𝑖𝑜𝑛) = (6 + 4 + 3 + 8 + 9 + 12 + 13 + 9)/8 = (10 + 11 + 21 + 22)/8 = (21 + 21 + 22)/8 = (42 + 22)/8 = 64/8 Hence, False

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo