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Minimizing tractor skidding distance. Refer to the Journal
Chapter 7, Problem 59E(choose chapter or problem)
Problem 59E
Minimizing tractor skidding distance. Refer to the Journal of Forest Engineering (July 1999) study of minimizing tractor skidding distances along a new road in a European forest, Exercise 6.35 (p. 319). The skidding distances (in
meters) were measured at 20 randomly selected road sites. The data are repeated below. Recall that a logger working on the road claims the mean skidding distance is at least 425 meters. Is there sufficient evidence to refute this claim? Use = .10.
Questions & Answers
QUESTION:
Problem 59E
Minimizing tractor skidding distance. Refer to the Journal of Forest Engineering (July 1999) study of minimizing tractor skidding distances along a new road in a European forest, Exercise 6.35 (p. 319). The skidding distances (in
meters) were measured at 20 randomly selected road sites. The data are repeated below. Recall that a logger working on the road claims the mean skidding distance is at least 425 meters. Is there sufficient evidence to refute this claim? Use = .10.
ANSWER:
Answer
Step 1 of 1
The skidding distances (in meters) were measured at 20 randomly selected road sites. The data are repeated below.
Recall that a logger working on the road claims the mean skidding distance is at least
Is there sufficient evidence to refute this claim? Use
488 |
350 |
457 |
199 |
285 |
409 |
435 |
574 |
439 |
546 |
385 |
295 |
184 |