CHEN3010Fall2002test2soutions

CHEN3010Fall2002test2soutions - CHEN 3010 Applied Data...

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CHEN 3010 Applied Data Analysis Fall 2002 Solutions Mid Term Exam 2 Problem 1 Version A Version B 95%C.I. 12.16 mu 15.28 xbar 13.72 t*s/sqrtn 1.56 talpha2,21 2.079614 n2 2 s 3.518464 99%C.I. talpha2,21 2.831366 LowerLimit 11.59608 UpperLimit 15.84392 Problem 2 Version A Version B Version C Ho mu=100 H1 mu NOT= 100 acceptance region 98.5 xbar 101.5 101.75 101.25 z 2.25 2.625 1.875 alpha 0.024449 0.008665 0.060793 3.749998 xbar 102.5 P value 0.000177 zbeta -2.249998875 -1.874999 -2.624999 beta error 0.012224469 0.030396 0.004333 Problem 3 Version A Version B Version C x1bar 1.179 1.256 1.348 x2bar 1.036 1.147 1.279 s1 0.088 0.135 0.077 s2 0.124 0.096 0.054 n1 11 11 11 n2 9 9 9 F0 0.503642 1.977539 2.033265 F1-a/2 0.25941 0.25941 0.25941 Fa/2 4.295117 4.295117 4.295117
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s1sq 0.007744 0.018225 0.005929 s2sq 0.015376 0.009216 0.002916 spsq 0.011136
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CHEN3010Fall2002test2soutions - CHEN 3010 Applied Data...

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