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We want to investigate the income data. In the Excel file Midterm Data.xls there is a tab labeled "Income Data 2006". The data in the tab is the income reported by 400 people in a salary survey.
• Compute the sample mean and sample standard deviation for the income data.
• Construct a 98% confidence interval for the income data.
• If you are working for CNN, how would you explain the confidence interval to your audience? Does the confidence interval seem small enough? What would you tell your audience about the implications of this data? Provide a clear and complete answer.
Mid year population 440000 Late fatal death 29 No. of live birth 5200 No. of infant death 423 No. of maternal death 89 No. of infant deaths i
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Lorenz Curve It is a graphic method of measuring dispersion. This curve was devised by Dr. Max o Lorenz a famous statistician. He used this technique for wealth it i
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objective of the testing stochastic regression
HOW WOULD YOU INTERPRET THIS PROBABILITY:P(a)=1.05
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