Discussion:
Q: Below is the summary information for the weights (in pounds) of regular Coke and diet Coke cans. Test the claim that cans of regular Coke and diet Coke have the same mean weight at a 0.01 level of significance.
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Regular Coke
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Diet Coke
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n1=36
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n2=36
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x‾1=0.81682
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x‾2=0.78479
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s1=0.007507
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s2=0.0004391
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a) State the null and alternative Hypotheses (H0 and H1).
b) Calculate the test statistic.
c) What is the critical value for α=0.01?
d) State your conclusion (reject H0 or fail to reject H0 )and explain your reasoning.
e) Was the claim about average weight correct?