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MATH 120 INTRODUCTION TO STATISTICS LIME SPRING PRACTICE ASSESSMENT 2026 CERTIFICATION EVALUATION EXPERT CHECKED

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MATH 120 INTRODUCTION TO STATISTICS LIME SPRING PRACTICE ASSESSMENT 2026 CERTIFICATION EVALUATION EXPERT CHECKED

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MATH 120
Course
MATH 120

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MATH 120 INTRODUCTION TO STATISTICS LIME
SPRING PRACTICE ASSESSMENT 2026
CERTIFICATION EVALUATION EXPERT
CHECKED

◉ continuous. Answer: if the variables can take on any value in any
interval; quantitative
ex: height of penguins... 29.2in, 24 in, etc


◉ range formula. Answer: maximum value - minimum value


◉ median. Answer: value that lies in the middle of the data when
arranged in ascending order


◉ IQR. Answer: the range of the middle 50% of the observations in a
data set


◉ IQR formula. Answer: Q3-Q1


◉ how to find Q1. Answer: median of the bottom half


◉ how to find Q3. Answer: median of the top half

, ◉ lower fence outlier formula. Answer: Q1 - 1.5 (IQR)


◉ upper fence outlier formula. Answer: Q3 + 1.5 (IQR)


◉ mean. Answer: average value


◉ standard deviation. Answer: roughly the average distance that
values fall from the mean


◉ low standard deviation. Answer: data is tightly clustered around
the mean


◉ high standard deviation. Answer: data is loosely spread over a
range of values


◉ z- score formula. Answer: z = (value - mean) / standard deviation


◉ empirical rule. Answer:


◉ mathematical model. Answer: mathematical equation, formula, or
a graph that presents the relationship between 2 or more variables
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