Discussion:
Q: The manufacturer of Glo-More flatwhite interior latex paint claims one-coat coverage of 400 square feet per gallon on interior walls. A painter keeps careful track of 6 gallons and finds coverage (in square feet) of 360, 410, 380, 360, 390, 400
(a) At α = .10 does this evidence contradict the claim?
State your hypotheses and decision rule.
(a) Use Excel to find the p-value. Interpret it.
(b) Discuss the distinction between importance and significance in this example.