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  2. Ogden tables - Wikipedia

    en.wikipedia.org/wiki/Ogden_tables

    Ogden tables. The Ogden tables are a set of statistical tables and other information for use in court cases in the UK. Their purpose is to make it easier to calculate future losses in personal injury and fatal accident cases. The tables take into account life expectancy and provide a range of discount rates from -2.0% to 3.0% in steps of 0.5%.

  3. Contingency table - Wikipedia

    en.wikipedia.org/wiki/Contingency_table

    Typically, either column comparisons, which test for differences between columns and display these results using letters, or, cell comparisons, which use color or arrows to identify a cell in a table that stands out in some way. Nets or netts which are sub-totals. One or more of: percentages, row percentages, column percentages, indexes or ...

  4. Porosity - Wikipedia

    en.wikipedia.org/wiki/Porosity

    Porosity is the ratio of pore volume to its total volume. Porosity is controlled by: rock type, pore distribution, cementation, diagenetic history and composition. Porosity is not controlled by grain size, as the volume of between-grain space is related only to the method of grain packing.

  5. Sieve analysis - Wikipedia

    en.wikipedia.org/wiki/Sieve_analysis

    A sieve analysis (or gradation test) is a practice or procedure used in geology, civil engineering, and chemical engineering to assess the particle size distribution (also called gradation) of a granular material by allowing the material to pass through a series of sieves of progressively smaller mesh size and weighing the amount of material that is stopped by each sieve as a fraction of the ...

  6. Frequency (statistics) - Wikipedia

    en.wikipedia.org/wiki/Frequency_(statistics)

    A frequency distribution shows a summarized grouping of data divided into mutually exclusive classes and the number of occurrences in a class. It is a way of showing unorganized data notably to show results of an election, income of people for a certain region, sales of a product within a certain period, student loan amounts of graduates, etc.

  7. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    The inaccuracy in Excel calculations is more complicated than errors due to a precision of 15 significant figures. Excel's storage of numbers in binary format also affects its accuracy. [3] To illustrate, the lower figure tabulates the simple addition 1 + x − 1 for several values of x. All the values of x begin at the 15 th decimal, so Excel ...

  8. Compressive strength - Wikipedia

    en.wikipedia.org/wiki/Compressive_strength

    Hence calculating the compressive strength of a material from the given equations will not yield an accurate result. [clarification needed] This is because the cross sectional area A 0 changes and is some function of load A = φ(F). The difference in values may therefore be summarized as follows: On compression, the specimen will shorten.

  9. Amortization schedule - Wikipedia

    en.wikipedia.org/wiki/Amortization_schedule

    An amortization schedule is a table detailing each periodic payment on an amortizing loan (typically a mortgage ), as generated by an amortization calculator. [1] Amortization refers to the process of paying off a debt (often from a loan or mortgage) over time through regular payments. [2] A portion of each payment is for interest while the ...