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