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Minitab 8

# Minitab 8 - C1 6 64.0117 0.0422 0.0163(63.9797 64.0437-2.35...

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MINITAB Topic 8: Hypothesis Testing About the Mean 10., 10.2, 10.3 1. Blackboard Lecture Notes, Slide 56: Problem 1 MTB > onez 45 63.9; SUBC> sigma 3.5; SUBC> test 63.7; SUBC> alternative 1. One-Sample Z Test of mu = 63.7 vs > 63.7 The assumed standard deviation = 3.5 95% Lower N Mean SE Mean Bound Z P 45 63.9000 0.5217 63.0418 0.38 0.351 2. Blackboard Lecture Notes, Slide 57: Problem 2 MTB > onez 35 52; SUBC> sigma 13; SUBC> test 60; SUBC> alternative -1. One-Sample Z Test of mu = 60 vs < 60 The assumed standard deviation = 13 95% Upper N Mean SE Mean Bound Z P 35 52.0000 2.1974 55.6144 -3.64 0.000 3. Blackboard Lecture Notes, Slide 58: Problem 3 MTB > onez c1; SUBC> sigma 0.04; SUBC> test 64.05; SUBC> alternative 0. One-Sample Z: C1 Test of mu = 64.05 vs not = 64.05 The assumed standard deviation = 0.04 Variable N Mean StDev SE Mean 95% CI Z P C1 6

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Unformatted text preview: C1 6 64.0117 0.0422 0.0163 (63.9797, 64.0437) -2.35 0.019 4. Blackboard Lecture Notes, Slide 85: Example 1 MTB > onet 40 87.14 0.5; SUBC> test 87; SUBC> alternative 1. One-Sample T Test of mu = 87 vs > 87 95% Lower N Mean StDev SE Mean Bound T P 40 87.1400 0.5000 0.0791 87.0068 1.77 0.042 5. Blackboard Lecture Notes, Slide 86: Example 2 a. MTB > pplot c1 pH meter Percent 7.10 7.05 7.00 6.95 6.90 99 95 90 80 70 60 50 40 30 20 10 5 1 Mean 0.191 7.01 StDev 0.03162 N 14 AD 0.484 P-Value Probability Plot of pH meter Normal - 95% CI MTB > boxp c1; SUBC> trans. Boxplot of pH meter pH meter 7.08 7.06 7.04 7.02 7.00 6.98 6.96 Boxplot of pH meter b. MTB > onet c1; SUBC> test 7; SUBC> alternative 0. One-Sample T: pH meter Test of mu = 7 vs not = 7 Variable N Mean StDev SE Mean 95% CI T P pH meter 14 7.01000 0.03162 0.00845 (6.99174, 7.02826) 1.18 0.258...
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Minitab 8 - C1 6 64.0117 0.0422 0.0163(63.9797 64.0437-2.35...

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