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

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  1. Chapter 3 Class 7 Data Handling
  2. Serial order wise

Transcript

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 = (๐‘†๐‘ข๐‘š ๐‘œ๐‘“ ๐‘œ๐‘๐‘ ๐‘’๐‘Ÿ๐‘ฃ๐‘Ž๐‘ก๐‘–๐‘œ๐‘›)/(๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘œ๐‘๐‘ ๐‘’๐‘Ÿ๐‘ฃ๐‘Ž๐‘ก๐‘–๐‘œ๐‘›) = (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
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.