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Problem 1. 10 parts are measured by three inspectors three times and the measurements are recorded in the following table. (Use a = 0.05) a) Is there any significant difference between the performance of inspectors? b) Based on the data, can we say the part means are the same? c) What can you say about the difference among inspectors when we move from one part to another one? Part Number Inspector 1 Inspector 2 Inspector 3 Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 1 37 38 37 41 41 40 41 42 41 2 42 41 43 42 42 42 43 42 43 3 30 31 31 31 31 31 29 30 28 4 42 43 42 43 43 43 42 42 42 5 28 30 29 29 30 29 31 29 29 6 42 42 43 45 45 45 44 46 45 7 25 26 27 28 28 30 29 27 27 8 40 40 40 43 42 42 43 43 41 9 25 25 25 27 29 28 26 26 26 10 35 34 34 35 35 34 35 34 35 Problem2. Take the average across three tests. This would result in one number per Inspector-Part combination. Answer again the above questions based on the resulting data.

Problem 1. 10 parts are measured by three inspectors three times and the measurements are recorded in the following table. (Use a = 0.05) a) Is there any significant difference between the performance of inspectors? b) Based on the data, can we say the part means are the same? c) What can you say about the difference among inspectors when we move from one part to another one? Part Number Inspector 1 Inspector 2 Inspector 3 Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 1 37 38 37 41 41 40 41 42 41 2 42 41 43 42 42 42 43 42 43 3 30 31 31 31 31 31 29 30 28 4 42 43 42 43 43 43 42 42 42 5 28 30 29 29 30 29 31 29 29 6 42 42 43 45 45 45 44 46 45 7 25 26 27 28 28 30 29 27 27 8 40 40 40 43 42 42 43 43 41 9 25 25 25 27 29 28 26 26 26 10 35 34 34 35 35 34 35 34 35 Problem2. Take the average across three tests. This would result in one number per Inspector-Part combination. Answer again the above questions based on the resulting data.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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Problem 1. 10 parts are measured by three inspectors three times and the measurements are recorded in the following table. (Use a = 0.05) a) Is there any significant difference between the performance of inspectors? b) Based on the data, can we say the part means are the same? c) What can you say about the difference among inspectors when we move from one part to another one? Part Number Inspector 1 Inspector 2 Inspector 3 Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 1 37 38 37 41 41 40 41 42 41 2 42 41 43 42 42 42 43 42 43 3 30 31 31 31 31 31 29 30 28 4 42 43 42 43 43 43 42 42 42 5 28 30 29 29 30 29 31 29 29 6 42 42 43 45 45 45 44 46 45 7 25 26 27 28 28 30 29 27 27 8 40 40 40 43 42 42 43 43 41 9 25 25 25 27 29 28 26 26 26 10 35 34 34 35 35 34 35 34 35 Problem2. Take the average across three tests. This would result in one number per Inspector-Part combination. Answer again the above questions based on the resulting data.
Transcribed Image Text:Problem 1. 10 parts are measured by three inspectors three times and the measurements are recorded in the following table. (Use a = 0.05) a) Is there any significant difference between the performance of inspectors? b) Based on the data, can we say the part means are the same? c) What can you say about the difference among inspectors when we move from one part to another one? Part Number Inspector 1 Inspector 2 Inspector 3 Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 1 37 38 37 41 41 40 41 42 41 2 42 41 43 42 42 42 43 42 43 3 30 31 31 31 31 31 29 30 28 4 42 43 42 43 43 43 42 42 42 5 28 30 29 29 30 29 31 29 29 6 42 42 43 45 45 45 44 46 45 7 25 26 27 28 28 30 29 27 27 8 40 40 40 43 42 42 43 43 41 9 25 25 25 27 29 28 26 26 26 10 35 34 34 35 35 34 35 34 35 Problem2. Take the average across three tests. This would result in one number per Inspector-Part combination. Answer again the above questions based on the resulting data.
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