Confidence intervals for the mean: z-intervals and t-intervals
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Confidence intervals for the mean: z-intervals and t-intervals
Shows you how to use the formula for a z-interval or t-interval in order to estimate the population mean. Includes examples and video.
Jun 30, 2013
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SOLVED: Given the accompanying sample data, use Excel's formula options to find the 95% confidence interval for the population mean. Assume that the population is normally distributed and that the population standard deviation equals 12.CONFIDENCE INTERVAL FOR p WHEN IS KNOWN ExcelFLEHOMEINSERTPAGE LAYOUTFORMULASDATAREVIEWVIEWArialWrap TextGeneral8 "08 408 Conditional Format as Cell Insert Delete Formatting Table Styles Number Styles CellsPasteMerge CenterClipboardFontAlignment105105 117 112
SOLVED: Given the accompanying sample data, use Excel's formula options to find the 95% confidence interval for the population mean. Assume that the population is normally distributed and that the population standard deviation equals 12.CONFIDENCE INTERVAL FOR p WHEN IS KNOWN ExcelFLEHOMEINSERTPAGE LAYOUTFORMULASDATAREVIEWVIEWArialWrap TextGeneral8 "08 408 Conditional Format as Cell Insert Delete Formatting Table Styles Number Styles CellsPasteMerge CenterClipboardFontAlignment105105 117 112
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SOLVED: Given the accompanying sample data, use Excel's formula options to find the 95% confidence interval for the population mean. Assume that the population is normally distributed and that the population standard deviation equals 12.CONFIDENCE INTERVAL FOR p WHEN IS KNOWN ExcelFLEHOMEINSERTPAGE LAYOUTFORMULASDATAREVIEWVIEWArialWrap TextGeneral8 "08 408 Conditional Format as Cell Insert Delete Formatting Table Styles Number Styles CellsPasteMerge CenterClipboardFontAlignment105105 117 112
SOLVED: Given the accompanying sample data, use Excel's formula …
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