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  2. Calculated Ignition Index - Wikipedia

    en.wikipedia.org/wiki/Calculated_Ignition_Index

    The calculated ignition index (CII), together with the calculated carbon aromaticity index (CCAI), are empirical indicators which describe the characteristics or properties of a fuel. [1] Both CII and CCAI are calculated from the density and kinematic viscosity of the fuel.

  3. Calculated Carbon Aromaticity Index - Wikipedia

    en.wikipedia.org/wiki/Calculated_Carbon_Aromati...

    Cetane numbers are tested using a special test engine and the existing engine was not made for residual fuels. For residual fuel oil two other empirical indexes are used: CCAI and Calculated Ignition Index (CII). Both CCAI and CII are calculated from the density and kinematic viscosity of the fuel.

  4. List of price index formulas - Wikipedia

    en.wikipedia.org/wiki/List_of_price_index_formulas

    This index uses the arithmetic average of the current and based period quantities for weighting. It is considered a pseudo-superlative formula and is symmetric. [12] The use of the Marshall-Edgeworth index can be problematic in cases such as a comparison of the price level of a large country to a small one.

  5. How To Invest in Index Funds - AOL

    www.aol.com/invest-index-funds-complete-guide...

    Some funds buy a representative sample — say, 495 of the 500 stocks in the S&P 500 — to achieve essentially the same results. Other index funds use futures or other instruments to track the ...

  6. Index funds: What they are and how to invest in them - AOL

    www.aol.com/finance/index-funds-invest-them...

    In addition to investing in broad-based stock index funds, you can choose from a range of bond index funds: for example, short-term bonds with maturity dates in the near future, long-term bonds ...

  7. Chemical plant cost indexes - Wikipedia

    en.wikipedia.org/wiki/Chemical_plant_cost_indexes

    The selection of the proper index to use depends on the industry in which it is applied. For example, while CE, M&S or IC Index are typically employed for chemical process industries, the ENR (Engineering News-Record) construction index is used for general industrial construction and takes in account the prices for fixed amounts of structural steel, cement, lumber and labor.

  8. What are the different types of index funds? - AOL

    www.aol.com/finance/different-types-index-funds...

    Equal weight index funds solve this issue by having each holding in the fund make up roughly the same percentage of fund assets. If a fund has 100 holdings, each one will account for about 1 ...

  9. Tracking error - Wikipedia

    en.wikipedia.org/wiki/Tracking_error

    To begin, define to be: = () where is the vector of active weights for each asset relative to the benchmark index and is the covariance matrix for the assets in the index. While creating an index fund could involve holding all investable assets in the index, it is sometimes better practice to only invest in a subset of the assets.