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  2. Median price ratio - Wikipedia

    en.wikipedia.org/wiki/Median_price_ratio

    For example, a 10% MPR for a $10 reference price yields an absolute price variation of $1, whereas for a $200 reference price the variation would be $20. [4] To solve this issue, the WHO/HAI recommend to check the international reference price when very high or low MPR variations are observed.

  3. Median - Wikipedia

    en.wikipedia.org/wiki/Median

    Calculating the median in data sets of odd (above) and even (below) observations. The median of a set of numbers is the value separating the higher half from the lower half of a data sample, a population, or a probability distribution. For a data set, it may be thought of as the “middle" value.

  4. Median voting rule - Wikipedia

    en.wikipedia.org/wiki/Median_voting_rule

    Without phantoms, the median rule selects 40. If we add two phantoms at 0, then the median rule selects 30; if we add two phantoms at 100, the median rule selects 50; if we add medians at 20 and 35, the median rule selects 35. Here are some special cases of phantom-median rules, assuming all the votes are between 0 and 100:

  5. Single peaked preferences - Wikipedia

    en.wikipedia.org/wiki/Single_peaked_preferences

    A typical example is when several consumers have to decide on the amount of public good to purchase. The amount is a one-dimensional variable. The amount is a one-dimensional variable. Usually, each consumer decides on a certain quantity which is best for him or her, and if the actual quantity is more/less than that ideal quantity, the agent is ...

  6. Central tendency - Wikipedia

    en.wikipedia.org/wiki/Central_tendency

    the point minimizing the sum of distances to a set of sample points. This is the same as the median when applied to one-dimensional data, but it is not the same as taking the median of each dimension independently. It is not invariant to different rescaling of the different dimensions. Quadratic mean (often known as the root mean square)

  7. "Come on Down" for the Surprising Rules 'Price Is Right ... - AOL

    www.aol.com/lifestyle/come-down-surprising-rules...

    The 'Price Is Right' Rules You Might Not Know CBS Photo Archive - Getty Images. ... During "One Bid" rounds, contestants can't guess the same price as another contestant. For example, if someone ...

  8. Ramsey problem - Wikipedia

    en.wikipedia.org/wiki/Ramsey_problem

    The Ramsey problem, or Ramsey pricing, or Ramsey–Boiteux pricing, is a second-best policy problem concerning what prices a public monopoly should charge for the various products it sells in order to maximize social welfare (the sum of producer and consumer surplus) while earning enough revenue to cover its fixed costs.

  9. Some price-gouging rules could be keeping high-end homes off ...

    www.aol.com/news/price-gouging-rules-could...

    A law barring monthly rents of more than $10,000 for new listings is stopping high-end homes from going on the market, real estate agents and brokers say. Such homes could be in demand for wealthy ...