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The one-sample t-statistic for a test of Ho: = 42 versus H:# < 42 based on n = 15 observations has the value t = -2.138, wher
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To test Ho: l=42 HI: U242 Ginn n=15 • Test statistics is t=-2. 138 let 2=0.05 Contical value = -tan-1= -to.os, 14 = - 1.7613

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