Ans:
a)
Test statistic:
t=(13.6-10.1)/SQRT((5.1^2/35)+(8.5^2/40))
t=2.19
b)
where,
df=65.06
c)
Area in the upper tail=tdist(2.19,65,1)=0.0161
Two tailed p-value is between 0.01 to 0.05
d)
As,p-value is less than 0.05,So Reject H0.
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