College Statistics Quiz
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PROBABILITY AND SIMULATION
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A student attempts to perform a randomization test to compare the average battery life of 10 Brand X phones and 8 Brand Y phones. Their proposed procedure is: "1. Pool all 18 battery life measurements. 2. For each of the 18 positions, flip a coin. If heads, assign it to Brand X; if tails, assign to Brand Y. 3. Calculate the difference in means. 4. Repeat 1000 times." Why is this procedure flawed?
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