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Mathematics, 12.11.2020 18:50 qudoniselmore0
During the winter months, heating bills can be expensive. A contractor claims that installing a new brand of insulation will considerably lower your heating bill (which was $205 last month). After conducting the test (assuming the data were provided). you find that the results are significant at the 5% level. You may also conclude: .a. the test would also be significant at the 10% level. b. the test would also be significant at the 1% level. c. both of the above. d. none of the above.
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During the winter months, heating bills can be expensive. A contractor claims that installing a new...
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