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Breaking strengths of a random sample

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A manufacturer of fishing equipment advertises a fishing line with an average breaking strength of 10 kg. The breaking strengths of a random sample of 12 such fishing lines are listed below.

10.4, 9.8, 10.7, 10.0, 9.7, 9.5, 9.6, 9.6, 9.9, 9.8, 10.2, 10.1

Is there any evidence to indicate that the median breaking strength differs from 10 kg? (a = 0.10)

Reference no: EM131868947

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