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Statistics Homework Solutions 1

Statistics Homework Solutions 1 - (b True 5(a No What is...

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SECTION 1.1 1 Chapter 1 Section 1.1 1. (a) The population consists of all the bolts in the shipment. It is tangible. (b) The population consists of all measurements that could be made on that resistor with that ohmmeter. It is conceptual. (c) The population consists of all residents of the town. It is tangible. (d) The population consists of all welds that could be made by that process. It is conceptual. (e) The population consists of all parts manufactured that day. It is tangible. 3. (a) False
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Unformatted text preview: (b) True 5. (a) No. What is important is the population proportion of defectives; the sample proportion is only an approx-imation. The population proportion for the new process may in fact be greater or less than that of the old process. (b) No. The population proportion for the new process may be 0.10 or more, even though the sample proportion was only 0.09. (c) Finding 2 defective bottles in the sample. 7. A good knowledge of the process that generated the data....
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