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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.
For the following claim, find the null and alternative hypotheses, test statistic, P-value, critical value and draw a conclusion. Assume that a simple random sample has been selec
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Apl.send me nots on hypothesis testing sk question #Minimum 100 words accepted#
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Regression line drawn as Y=C+1075x, when x was 2, and y was 239, given that y intercept was 11. calculate the residual
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