Mathematics, 25.04.2020 03:28 nmulder
An associate at a large home improvement store claims that she can build a composite 12 × 20-foot deck for an average cost of $7200. We sample eight decks built by this associate and find that their average cost was $8215.22 with a standard deviation of $711.16. Does it appear from this sample that the claim of $7200 is not accurate (either too high or too low)? State the critical value (CV), test statistic (TS), and decision from the test. (Use α = 0.05.)
Answers: 1
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Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot
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An associate at a large home improvement store claims that she can build a composite 12 × 20-foot de...
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