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//Eg-6.14
//pg-304
clear
clc
//mean and standard deviation are given as
x=1.011;
s=.108;
n=500;
a=1;
d=(x-a)/(s/n^.5);
if d<=1.96 & d>=-1.96 then
disp("null hypothesis :Ho:u=1mm is accepted")
else
disp("the value of d lies outside range.Therefore we will reject HO at 0.05 level of significance")
end
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