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OpenStax, Statistics §9.5 Additional Information and Full Hypothesis Test Examples · Exercise 49 · Statistics · Hypothesis testing

Additional Information and Full Hypothesis Test Examples · Exercise 49

Hypothesis testing: For the following 10 exercises, answer each question.

The U.S. Department of Energy reported that 51.7 percent of homes were heated by natural gas. A random sample of 221 homes in Kentucky found that 115 were heated by natural gas. Does the evidence support the claim for Kentucky at the α = 0.05 level? Are the results applicable across the country? Why?

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OpenStax, Statistics · §9.5 Additional Information and Full Hypothesis Test Examples · Exercise 49

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