write a 1000 Word APA paper addressing the basic statistic questions below

User Generated

Fgrcugnc1

Mathematics

Statistics for Management

Independence University

Description

1. Briefly describe the difference between observational and experimental data.

2. a. Briefly describe how you might design a study to investigate the relationship between smoking and lung cancer.

b. Is your study in Part a observational or experimental? Explain why.

3. List five important points to consider when designing a questionnaire.

4. a. Describe why the Literary Digest poll of 1936 has become infamous.

b. What caused this poll to be so wrong?


5. A statistics practitioner would like to conduct a survey to ask people their views on a proposed new shopping mall in their
community. According to the latest census, there are 800 households in the community. The statistician has numbered each
household (from 1 to 800), and she would like to randomly select 25 of these households to participate in the study. Use Excel to
generate the sample.

6. The operations manager of a large plant with four departments wants to estimate the person hours lost per month due to
accidents. Describe a sampling plan that would be suitable for estimating the plant-wide loss and for comparing departments.

7. Is it possible for a sample to yield better results than a census? Explain.

8. Explain the difference between sampling error and non-sampling error.

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Explanation & Answer

Attached.

Families
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24
794
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86

Random
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358
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232
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733
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170
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546
742
566
770

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462
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275
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540

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161
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