The first sample the mean =12 The variance = 16 n1= 10 The second sample Exifi = 280, >xifi = 1350 %3D >. fi = 40 i3D1 i=1 (I) Find standard deviation of the combined set of all observation (II) Which...

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The first sample<br>the mean =12<br>The variance = 16<br>n1= 10<br>The second sample Exifi = 280,<br>>xifi = 1350<br>%3D<br>>. fi = 40<br>i3D1<br>i=1<br>(I) Find standard deviation of the combined set of all observation<br>(II) Which of the two samples is more homogeneous.<br>

Extracted text: The first sample the mean =12 The variance = 16 n1= 10 The second sample Exifi = 280, >xifi = 1350 %3D >. fi = 40 i3D1 i=1 (I) Find standard deviation of the combined set of all observation (II) Which of the two samples is more homogeneous.

Jun 08, 2022

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The first sample the mean =12 The variance = 16 n1= 10 The second sample Exifi = 280, >xifi = 1350 %3D >. fi = 40 i3D1 i=1 (I) Find standard deviation of the combined set of all observation (II) Which...

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