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MIDTERM1STUDYSUGGESTIONS,MATH40SP11

# MIDTERM1STUDYSUGGESTIONS,MATH40SP11 - STUDY TOPICS FOR...

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STUDY TOPICS FOR MIDTERM #1 Recognize discrete numerical variables, continuous numerical variables, categorical variables, and nominal/ordinal scaled variables. Pages 16-17, Section 2.1 homework. Answer questions from a Pareto Diagram. Pages 35-37. Session 1 homework. Know the differences between the three measures of central tendency: mean, median, mode. Pages 86-90. Understand why mode is the only measure of center that can be used to describe categorical data, i.e. if the random variable is the color of the cars in a parking lot, then the mode is the most frequently observed color. (Note: The book does not address the mode of a categorical random variable, but it was discussed in class and you’re responsible for it.) If there are no repeated values, then there is no mode (this applies to both numerical and categorical data). Calculate arithmetric mean, median, mode, range, and standard deviation for sample data. Page 100, #3.8. [Range defined on page 91.] Discuss the significance of mean, median, and standard deviation.
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