[2A] Problem-solving and Data Analysis Formulas

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8 Terms

1
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General percents

percent = part/whole

2
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Percent change

percent change = difference/initial

3
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Mean

mean = sum/amount

4
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Range

range = max - min

5
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Estimate

estimate = proportion Ă— population

6
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Accounting for margin of error

range = estimate ± margin

7
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Distance
Work

distance = rate Ă— time

work = rate Ă— time

8
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Probability

probability = (desired outcome)/(total outcomes)