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Hypothesis Test for Unemployment Rate Between Two Months

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Your mayor just announced that the local unemployment rate dropped last month from the prior month. It went from 10.5% to 10.4%. Is this a significant drop? Explain.

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Solution Summary

This solution, comprised of over 350 words, includes a completely worked through answer for a specific statistics question regarding the unemployment rate within a city. Full hypothesis testing is done to determine whether the unemployment rate has changed significantly between two given months.

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The unemployment rate is a way to estimate the degree of unemployment within a certain area (city, state/province, country). Approximating the number of unemployed people within a given area and dividing by the approximate number of employed people within that same area determine the unemployment rate. The unemployment rate is expressed as a percentage.

When the mayor announced that the unemployment rate had dropped from 10.5% to 10.4%, it is easy to ...

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