Confidence Intervals and Hypothesis Testing - PowerPoint PPT Presentation

Confidence Intervals and Hypothesis Testing

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Motivational Scenario. A market research agency has been given the task to estimate the average number of hours per week that young adults spend surfing the web.The agency surveys a random sample of 100 young adults and obtains a mean of 20 hours and a standard deviation of 5 hoursCan the agency c

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Confidence Intervals and Hypothesis Testing

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