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Statistics for Business by Derek Waller

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Appendix III:Mathematicalrelationships

Subject Matter

Your memory of basic mathematical relationships may be rusty. The objective of this appendix is to give a detailed revision of arithmetic relationships, rules, and conversions. The following concepts are covered:

Constants and variables • Equations • Integer and non-integer numbers • Arithmetic operating symbols and equation relationships • Sequence of arithmetic operations • Equivalence of algebraic expressions • Fractions • Decimals • The Imperial and United States measuring system • Temperature • Conversion between fractions and decimals • Percentages • Rules for arithmetic calculations for non-linear relationships • Sigma, ∑ • Mean value • Addition of two variables • Difference of two ...

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