Mathematics, 13.06.2021 09:10 WritingStar1313

CL fi xi fixi X ( Xi –X ) ( Xi –X )2 fi( Xi –X )2 10 – 15 8 12.5 100 20.1 - 7.6 57.76 462.08

16 - 21 10 18.5 185 20.1 - 1.6 2.56 25.6

22 - 27 8 24.5 196 20.1 4.4 19.36 154.88

28 - 33 4 30.5 122 20.1 10.4 108.16 432.64

n = 30 ∑ =603 ∑ 1075.2

What is the Range of this given grouped data ?

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CL fi xi fixi X ( Xi –X ) ( Xi –X )2 fi( Xi –X )2 10 – 15 8 12.5 100 20.1 - 7.6 57.76 462.08
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CL fi xi fixi X ( Xi –X ) ( Xi –X )2 fi( Xi –X )2 10 – 15 8 12.5 100 20.1 - 7.6 57.76 462.08 16 - 21 10 18.5 185 20.1 - 1.6 2.56 25.6 22 - 27 8 24.5 196 20.1 4.4 19.36 154.88 28 - 33 4 30.5 122 20.1 10.4 108.16 432.64 n = 30 ∑ =603 ∑ 1075.2 What is the Range of this given grouped data ?

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