Terms in this set (21)
Other sets by this creator
The developer of a new welding rod claims that spot welds using his product will have greater strength than conventional welds. For 45 welds using the new rod, the average tensile strength is 23,500 pounds per square inch, with a standard deviation of 600 pounds. For 40 conventional welds on the same materials, the average tensile strength is 23,140 pounds per square inch, with a standard deviation of 750 pounds. Use the level in testing the claim of superiority for the new rod. Using the appropriate statistical table, what is the approximate -value for this test?
Recommended textbook solutions
Marketing Essentials: The Deca Connection1st Edition•ISBN: 9780078953125 (1 more)Carl A. Woloszyk, Grady Kimbrell, Lois Schneider Farese
Fundamentals of Financial Management, Concise Edition10th Edition•ISBN: 9781337902571 (1 more)Eugene F. Brigham, Joel Houston
Other Quizlet sets