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MWSU NUR314 Ch 5 QA/Stats
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Terms in this set (7)
range
difference between the highest score and the lowest score
interquartile range
Range of the middle 50% of scores
standard deviation
measure of variability that is used most frequently to explain how much the scores vary from the mean, see formula sheet! Square root of the Variance
Degrees of freedom
n-1
Confidence intervals
see formula sheet!
Order of Operations
PEMDAS, Parentheses, Exponents, Multiply, Divide, Add, Subtract
Normal distribution
Measures of central tendency all the same, symmetrical bell curve
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