Question: For the following data, Group 1 Group 2 Group 3 3 4 6 5 4 7 2 3 8 4 8 6 8 7 7

For the following data, Group 1 Group 2 Group 3 3 4 6 5 4 7 2 3 8 4 8 6 8 7 7 4 4 9 3 2 10 9 5 9

¯X 1 = 4.75 ¯X2 = 4.62 ¯X3 = 7.75 s21= 6.214 s22

= 3.982 s23

= 2.214 assume that the three groups have a common population variance, σ2 p.

Estimate σ2 p.

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