dolution
dolution.
Consider again the two-way ANOVA hypothesis test described in Problem 19. Recall that the relevant data are listed in the file P19_19.xlsx.
a. A natural gas supplier claims that homes which use gas heat generate an average February heating bill that is less than the average February heating bill of all other homes that use electricity or heating oil. Is this claim supported by the given data? Explain.
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Order Paper Nowb. A heating oil supplier claims that homes that use heating oil generate an average February heating bill that is less than the average February heating bill of all other homes that use electricity or natural gas. Is this claim supported by the given data? Explain.
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