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Hypothesis

Use these data and hypothesis-testing techniques along with a 5% level of significance to determine whether the mean hourly wage of a manufacturing worker has changed.

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We can construct a confidence interval for the sample mean at 0.05 level of confidence. If the population mean $19.86 falls within this confidence interval, we can say that the mean hourly wage of a manufacturing worker hasn't changed; and if ...

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The solution address using these data and hypothesis-testing techniques along with a 5% level of significance to determine whether the mean hourly wage of a manufacturing worker has changed.

$2.19