The coach told the high school swim team that times in the 200-yard individual medley in the Division I-AA Swim Championships typically are more than 1/2 second faster than their seed times going into the meet. At α = .05, do these times (in seconds) for 26 male competitors (actual data with altered names) contradict the coach's assertion? The null hypothesis is H0: µd ‰¤ 0.5 second.

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