Essay
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A company selling new econometrics computer software advertises that firms using this software obtain,on average during the first year,a yield of at least 10% on their initial investments.A random sample of 10 of the franchises that used the software produced the following yields for the first year of operation: 9.4,11.1,10.4,10.5,11.2,8.2,8.5,4.0,8.8,and 6.1.Assume that population yields are normally distributed.
-Test the company's claim at the 5% significance level.
Correct Answer:
Verified
Reject H0 if t < -t9,.05 = -1.833
t = 
=
= -...View Answer
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Correct Answer:
Verified
t =
=
= -...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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