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The Speedo LZR Racer Suit is a body-length swimsuit. When 17 records were broken, body-length swimsuits were banned by the governing organization. A journalist would

The Speedo LZR Racer Suit is a body-length swimsuit. When 17 records were broken, body-length swimsuits were banned by the governing organization. A journalist would like to investigate if there is any evidence that the body-length swimsuits give swimmers a time advantage. He conducts an experiment with the local university's Division 1 swim team. He times 10 swimmers swimming the 50- metre breaststroke in their regular swimsuit. Then he re-tests them with the swimmer wearing the Speedo LZR Racer Suit. The data are paired because the same swimmers were measured under two conditions. The hypotheses used will be: H0: HA: where represents the mean of the differences for the Time in the regular swimsuit - Time in LZR Racer. What does a positive difference for indicate? Answer as one sentence.

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