An Amateur Golfer Wishes to Determine If There Is a Difference

question 12

Multiple Choice

An amateur golfer wishes to determine if there is a difference between the drive distances of her two favorite drivers. (A driver is a specialized club for driving the golf ball down range.) She hits fourteen balls With driver A and 10 balls with driver B. The drive distances (in yards) for the trials are show below. Assume that the populations are approximately normal. Construct a 90% confidence interval for the Difference between the mean drive distances for the two drivers.

• A) (-13.5, 24.1)
• B) (-12.6, 23.2)
• C) (-9.9, 20.5)
• D) (-11.0, 21.6)

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