Why is data cleaning important

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Assignment:

Review Chapter 12, Data Cleaning (page 250). Answer the following questions and submit to dropbox:

1. Describe the methods discussed in this chapter for Data Cleaning. Specifically, how should evaluators deal with outliers, implausible values and missing values?

2. Why is Data Cleaning important?

3. How can outliers and implausible values effect measures of central tendency and measures of variability?

Reference no: EM134019952

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