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test is participants in the experimental group lived longer than those in the control group. experimental group control group X=90.2 years x=81.7 years Sx2 =

test is participants in the experimental group lived longer than those in the control group.

experimental group control group

X=90.2 years x=81.7 years

Sx2 = 12.25 sx2= 29.16

n= 11 n=11

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