Detailed explanation to random sample

Reference no: EM1394463

A random sample of 56 people measured accuracy w/ positive errors representing watches that are ahead of the correct time and negative rep. those behind the time. The 56 values have a mean on -94.7 seconds and a SD of 152.6 sec. Use a 0.01 sig. level to test claim pop of all watches has a mean = to 0.00

Answer is reject the claim that the pop mean = 0.00

Reference no: EM1394463

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