WHAT IS STATISTICS?

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Abstract

1 Understand why we study statistics. 2 Explain what is meant by descriptive statistics and inferential statistics. 3 Distinguish between a qualitative variable and a quantitative variable. 4 Distinguish between a discrete variable and a continuous variable. 5 Distinguish among the nominal, ordinal, interval, and ratio levels of measurement. 6 Define the terms mutually exclusive and exhaustive.