Question 8 (of 11) An air travel service samples domestic airline flights to exp

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Question 8 (of 11) An air travel service samples domestic airline flights to explore the relationship between airfare and distance. The service would like to know if there is a correlation between airfare and flight distance. If there is a correlation, what percentage of the variation in airfare is accounted for by distance? How much does each additional mile add to the fare? The data follow Fare Distance 636 2.395 2,176 605 403 1,258 264 627 2,342 Destination Myrtle Beach, SC Sacramento, CA Philadelphia, PA Seattle, WA Orlando, FL Miami, FL 5281 340 283 258 334 Detroit, MI Baltimore, MD Las Vegas, NV Sacramento, CA Atlanta, GA Boston, MA Chicago, IL Columbus, OH Fort Lauderdale, FLLos Angeles, CA Chicago, IL Philadelphia, PA Houston, TX Houston, TX Cleveland, OH Baltimore, MD Boston, MA Kansas City, MO KY 347 109 299 Minneapolis, MN Indianapolis, IN San Francisco, CA Raleigh/Durham, NC Midland/Odessa, TX Dallas/Ft.Worth, TX Columbus, OfH Covington, KY San Diego, CA Phoenix, AZ Washington, DC San Jose, CA St. Louis, MO Orlando, FL Seattle, WA New York, NY San Diego CA New York, NY West Palm Beach, FL Seattle, WA Portland, ME 2,521 1,050 441 1,021 336 752 1,333 1,460 2,350 621 737 853 1,894 2.465 264 132 251 Milwaukee, WI Portland, OR Phoenix, AZ Baltimore, MD Houston, TX Houston, TX Burbank, CA Atlanta GA Minneapolis, MN Atlanta, GA Kansas City, MO Baltimore, MD New Orleans, LA 349 192 206 290 1,028 545 1,489 452 969 239 206 Washington, DC & Click here for the Excel Data File (b-1) Compute the correlation of distance and fare? (Round your answer to 3 decimal places.) Distance and fare 0 314 (b2) State the decision rule for 005 sgnificance level Ho r s 0 H, r > 0 (Round your answer to 2 (b 2) State the decis on rule for 005 significance level Ho rs0 H r0 (Round your answer to 2

Explanation / Answer

B-4: reject Ho. so from above example, we have an enough evidence to conclude that a positive correlation exists

d- 3: 235.46   

yes above all answers are correct

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