Elementary Statistics with Student Access Kit
12th Edition
ISBN: 9780321869470
Author: Mario F. Triola
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 4RE
Energy Consumption. Exercises 1–5 refer to the amounts of energy consumed in the author’s home. Each value represents energy consumed (kWh) in a two-month period. Let each subgroup consist of the six amounts within the same year.
| Year 1 | 3637 | 2888 | 2359 | 3704 | 3432 | 2446 |
| Year 2 | 4463 | 2482 | 2762 | 2288 | 2423 | 2483 |
| Year 3 | 3375 | 2661 | 2073 | 2579 | 2858 | 2296 |
| Year 4 | 2812 | 2433 | 2266 | 3128 | 3286 | 2749 |
| Year 5 | 3427 | 678 | 3792 | 3348 | 2937 | 2774 |
| Year 6 | 3016 | 2458 | 2395 | 3249 | 3003 | 2118 |
| Year 7 | 4261 | 1946 | 2063 | 4081 | 1919 | 2360 |
| Year 8 | 2883 | 2174 | 2370 | 3480 | 2710 | 2327 |
4. Energy Consumption: Run Chart Construct a run chart for the 48 values. Does there appear to be a pattern suggesting that the process is not within statistical control?
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Chapter 14 Solutions
Elementary Statistics with Student Access Kit
Ch. 14.2 - Product Specs Table 14-1 lists process data...Ch. 14.2 - Prob. 2BSCCh. 14.2 - Prob. 3BSCCh. 14.2 - Prob. 4BSCCh. 14.2 - Prob. 5BSCCh. 14.2 - Prob. 6BSCCh. 14.2 - Prob. 7BSCCh. 14.2 - Prob. 8BSCCh. 14.2 - Prob. 9BSCCh. 14.2 - Prob. 10BSC
Ch. 14.2 - Prob. 11BSCCh. 14.2 - Prob. 12BSCCh. 14.2 - Prob. 13BBCh. 14.2 - Prob. 14BBCh. 14.3 - Prob. 1BSCCh. 14.3 - Prob. 2BSCCh. 14.3 - Prob. 3BSCCh. 14.3 - Interpreting a Control Chart After constructing a...Ch. 14.3 - Prob. 5BSCCh. 14.3 - Prob. 6BSCCh. 14.3 - Prob. 7BSCCh. 14.3 - Prob. 8BSCCh. 14.3 - Prob. 9BSCCh. 14.3 - Prob. 10BSCCh. 14.3 - Control Charts for p. In Exercises 512, use the...Ch. 14.3 - Prob. 12BSCCh. 14.3 - Prob. 13BBCh. 14 - Prob. 1CQQCh. 14 - Prob. 2CQQCh. 14 - Prob. 3CQQCh. 14 - Prob. 4CQQCh. 14 - Prob. 5CQQCh. 14 - Prob. 6CQQCh. 14 - Prob. 7CQQCh. 14 - Prob. 8CQQCh. 14 - Prob. 9CQQCh. 14 - Examine the following p chart for defective...Ch. 14 - Prob. 1RECh. 14 - Prob. 2RECh. 14 - Prob. 3RECh. 14 - Energy Consumption. Exercises 15 refer to the...Ch. 14 - Prob. 5RECh. 14 - Prob. 1CRECh. 14 - Prob. 2CRECh. 14 - Prob. 3CRECh. 14 - Prob. 4CRECh. 14 - Prob. 5CRECh. 14 - Prob. 6CRECh. 14 - Prob. 7CRECh. 14 - Prob. 8CRECh. 14 - Prob. 9CRECh. 14 - Prob. 10CRECh. 14 - FROM DATA TO DECISION Critical Thinking: Are the...
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