DS101 hw 2 - Alfredo Castillo 10-07-10 DS 101 Part I 1. c...

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Unformatted text preview: Alfredo Castillo 10-07-10 DS 101 Part I 1. c Chart for ONE 15 12 UCL = 10.42 CTR = 4.24 LCL = 0.00 c 9 6 3 0 0 5 10 15 20 25 Sample The data for the number of complaints received on consecutive days is out of control. 2. p Chart for Two 1 0.96 0.92 UCL = 1.00 CTR = 0.93 LCL = 0.85 p 0.88 0.84 0.8 0.76 0 20 40 60 80 100 Sample The data for the percentage of acceptable parts is out of control. 3. We can consider the data for the length of consecutive boards cut to be in statistical control. X-bar Chart for THREE 9.2 8.2 UCL = 8.54 CTR = 5.92 LCL = 3.30 X-bar 7.2 6.2 5.2 4.2 3.2 0 10 20 30 40 50 Subgroup Range Chart for THREE 5 4 3 2 1 0 0 10 20 30 40 50 UCL = 4.55 CTR = 1.39 LCL = 0.00 Range Subgroup 4. The data for the percentage of errors processed by ESP is in statistical control p Chart for FOUR 0.49 0.44 0.39 UCL = 0.48 CTR = 0.34 LCL = 0.20 p 0.34 0.29 0.24 0.19 0 20 40 60 80 100 Sample 5. The data for the amount measured in fluid ounces is in statistical control X-bar Chart for FIVE 34 33 UCL = 33.07 CTR = 31.95 LCL = 30.83 X-bar 32 31 30 0 10 20 30 40 50 Subgroup Range Chart for FIVE 2 1.6 1.2 0.8 0.4 0 0 10 20 30 40 50 UCL = 1.94 CTR = 0.59 LCL = 0.00 Range Subgroup Part II Stock 1: American Express. The company is one of the world's largest travel agencies, but it is better known for its charge cards and revolving credit cards. Its travel agency operations have thousands of locations worldwide, and its Travelers Cheque Group is the world's largest issuer of traveler's checks. But the company's charge and credit cards are its specialty; American Express has over 88 million cards in circulation worldwide. Time Series Plot for Adj Close 80 Adj Close 60 40 20 0 0 20 40 60 80 ...
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DS101 hw 2 - Alfredo Castillo 10-07-10 DS 101 Part I 1. c...

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