Chapter 1 Review Questions Page 10 #s 1,2,3a,4a,8,9,10

# Chapter 1 Review Questions Page 10 #s 1,2,3a,4a,8,9,10 -...

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Shawnae Cristobal Statistics Professor DeNike September 3, 2008 Box #283 Chapter 1 Review Questions: Page 10 #s 1,2,3a,4a,8,9,10 1. Why do researchers need to learn statistics? Researchers need to learn statistics to be able to conduct research and to understand the research of others. 2. What does the term statistical notation refer to? Statistical notation refers to the standardized code for which mathematical operations performed in formulas and for the answers obtained. 3. a. To how many places should you round a final answer? You should round a final answer to two more decimal places than there were in the original scores. 4. a. What is a transformation? A transformation is a systematic mathematical procedure for converting a set of scores

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Unformatted text preview: into a different but equivalent set of scores. 8. A researcher measures the IQ scores of a group of college students. What four things will the researcher use statistics for? The four things the researcher will use statistics for are the following: to organize the data, summarize the data, communicate the data, and then to conclude what the data indicates. 9. What is a proportion and how is it computed? A proportion is a decimal indicating a fraction of the total. To transform a number into a proportion, divide the number by the total. 10. How do you transform a percentage into a proportion? To transform a percentage into a proportion, you divide the percent by 100....
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Chapter 1 Review Questions Page 10 #s 1,2,3a,4a,8,9,10 -...

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