Exam1review.pdf - Review for Exam 1 October 2nd Basic math and measurement concepts • Summation notation • NOIR • What scale is ranking from best

Exam1review.pdf - Review for Exam 1 October 2nd Basic math...

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Review for Exam 1 October 2nd
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Basic math and measurement concepts Summation notation NOIR What scale is ranking from best to worst in a cheese taste test? Interval scale? Temperature (Celsius or Fahrenheit), Time on a clock Why is this not ratio scale? Which measurement scale can you do the most calculations with?
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Frequency distributions Types of graphs: bar, histogram, frequency polygon Relative frequency distribution- frequency over total number of points Cumulative frequency distribution- frequency of one interval to everything below it Cumulative percentage distribution- convert cumulative frequencies to percentages
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# #/ total Cumulative # Cumulative #/total
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Central tendency and variability What are the 3 measures of central tendency? Mean, Mode, Median Variability? Range, Standard Deviation, Variance Formulas? In skewed distribution, what is best measure of central tendency?
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Z-score review
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