Question 7 • Probability and Statistics with Applications Honors Sem-1-FL-1210300 (2024-2025)
Many golfers wear wrist bracelets containing magnets because they claim the magnets improve balance and the length of shots played off the tee. A golfer would like to determine if the claim has merit and finds 200 volunteers who play golf to participate in an experiment. Half of the golfers are randomly assigned to wear a bracelet with magnets, while the other half wear a bracelet without magnets. Each golfer plays normally for a month, after which the length of their shots in a subsequent round is recorded.
Answer
A
the age of each golfer
B
the 200 volunteers
C
the length of shots played by the golfers
D
whether the golfers wear or do not wear the bracelet
Explanation
The response variable is the outcome measured to see whether the magnets have an effect. Here, researchers record the length of each golfer’s shots after a month, so the response variable is the length of shots played by the golfers. Whether golfers wear a bracelet with or without magnets is the explanatory variable.
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