GETTING STARTED: IMPORTANT THINGS TO LEARN FIRST
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1. The process of using data collected from a small group to reach conclusions about a large group is called ()? [Multiple Choice]
A. statistical inference
B. DCOVA framework
C. operational definition
D. descriptive statistics
2. Those methods involving the collection, presentation, and characterization of a set of data in order to properly describe the various features of that set of data are called ()? [Multiple Choice]
A. statistical inference
B. DCOVA framework
C. operational definition
D. descriptive statistics
3. In a study, the specific characteristic that needs to be observed or measured is called the ()? [Multiple Choice]
A. population
B. sample
C. variable
D. parameter
4. Problems may arise when statistically unsophisticated users who do not understand the assumptions behind the statistical procedures or their limitations are misled by results obtained from computer software.
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5. Managers need an understanding of statistics to be able to present and describe information accurately, draw conclusions about large populations based on small samples, improve processes, and make reliable forecasts.
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6. Which of the following is not an element of descriptive statistical problems? () [Multiple Choice]
A. An inference made about the population based on the sample
B. The population or sample of interest
C. Tables, graphs, or numerical summary tools
D. Identification of patterns in the data
7. A professor computed the sample average exam score of 20 students and used it to estimate the average exam score of the 1,500 students taking the exam. This is an example of inferential statistics.
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8. Using the number of registered voters who turned out to vote for the primary in Iowa to predict the number of registered voters who will turn out to vote in Vermont’s primary is an example of descriptive statistics.
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9. “Big data” are data being collected in huge volumes and at very fast rates, and they typically arrive in a variety of forms, organized and unorganized.
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10. The DCOVA framework consists of the following five steps in order: Define, Collect, Organize, Visualize, and Analyze.
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