# Question: For a specific year the median price of natural gas

For a specific year, the median price of natural gas was $10.86 per 1000 cubic feet. A researcher wishes to see if there is enough evidence to reject the claim. Out of 42 households, 18 paid less than $10.86 per 1000 cubic feet for natural gas. Test the claim at α = 0.05. How could a prospective home buyer use this information?

Perform these steps.

a. State the hypotheses and identify the claim.

b. Find the critical value(s).

c. Compute the test value.

d. Make the decision.

e. Summarize the results.

Use the traditional method of hypothesis testing unless otherwise specified.

Perform these steps.

a. State the hypotheses and identify the claim.

b. Find the critical value(s).

c. Compute the test value.

d. Make the decision.

e. Summarize the results.

Use the traditional method of hypothesis testing unless otherwise specified.

**View Solution:**## Answer to relevant Questions

Samples of enrollments from medical schools that specialize in research and in primary care are listed below. At α = 0.05, can it be concluded that there is a difference? Use the Wilcoxon rank sum test. Assume that the ...A researcher wishes to see if the stopping distance for midsize automobiles is different from the stopping distance for compact automobiles at a speed of 70 miles per hour. The data are shown. At α = 0.10, test the claim ...Find the sum of the signed ranks. Assume that the samples are dependent. State which sum is used as the test value. Three brands of microwave dinners were advertised as low in sodium. Samples of the three different brands show the following milligrams of sodium. At α = 0.05, is there a difference in the amount of sodium among the ...Shown are the number of students enrolled in cyber school for five randomly selected school districts and the per-pupil costs for the cyber school education. At α = 0.10, is there a relationship between the two variables? ...Post your question