Draw a normal probability plot of the data in Table 4 using technology. Is there evidence to
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Draw a normal probability plot of the data in Table 4 using technology. Is there evidence to support the belief that the variable “finishing time” is normally distributed?
Approach We will use StatCrunch to draw the normal probability plot and find the correlation between the observed values and expected z-scores. If the correlation is greater than the critical value from Table VI, we conclude the data could come from a population that is normally distributed. The steps for constructing normal probability plots using TI-83/84 Plus graphing calculators, Minitab, Excel, and StatCrunch can be found.
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Related Book For
Statistics Informed Decisions Using Data
ISBN: 9781292157115
5th Global Edition
Authors: Michael Sullivan
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