A group of people who regularly search the beach for lost valuables using metal detectors are asked

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A group of people who regularly search the beach for lost valuables using metal detectors are asked to compare two different brands of metal detectors: brands A and B. The time in minutes for each person to find an item of value with each metal detector is recorded.

BrandA 3 17 181 47 3 21 1 61 38 23 Brand B 19 15 176 93 6 48 26 108 57 29 Use a statistical test to decide whether there is reasonably convincing evidence that the two brands of metal detectors are not of equal effectiveness. POLI967

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