position measurements

Description

Mind Map on position measurements, created by Sharol Juliana Jiménez Montaño on 10/10/2022.
Sharol Juliana Jiménez Montaño
Mind Map by Sharol Juliana Jiménez Montaño, updated more than 1 year ago
Sharol Juliana Jiménez Montaño
Created by Sharol Juliana Jiménez Montaño over 1 year ago
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Resource summary

position measurements
  1. A measure of location is a value that divides a data set into equal percentages used to rank the observations in a population or sample.
    1. features
      1. They allow you to divide a data set into equal percentages and are used to rank the observations in a population or sample. The most common measures of position are quartiles, deciles, and percentiles.
        1. This is a number chosen to indicate the direction of the data set and is useful for interpreting the information as a percentage.
          1. the types of measurements are:
            1. deciles
              1. is a measure of position that divides the frequency distribution into ten equal parts starting from the first to the ninth. Deciles are denoted by the letter Da
                1. parameters
                  1. The location parameter has the function of determining the distribution along the line. their values ​​depend on the presence or absence of phenomena such as Asymmetry, non-normal data, coexistence of subpopulations Parameters can be more useful
                    1. The main position parameters are:
                      1. Arimetic mean:
                        1. this is the most used position parameter because it summarizes A set of data in a single value that provides the concept of location its entirety. center of gravity can also be considered distribution to move asymmetrically Average value; affected by the presence of unusual data, both As the sample size decreases, more
                        2. Median
                          1. is the value that leaves 50% of the data on each page unseen Affected by the presence of unusual data (assuming the same size performance). It is a proxy measure of the average, thus achieving Data and comparisons are useful, especially in them. small sample size.
                            1. are classified
                              1. non-central tendency
                                1. and the central
                            2. Mode
                              1. it is the most repeated value in the distribution. Yes A distribution that pools multiple subgroups, we can When it comes to multimodal phenomena. Quartiles: leave 25% (C1), 50% (C2, median) and 75% (C3) on the left side of the distribution.
                    2. quartiles
                      1. is a location metric that divides the frequency distribution into four equal modes. denoted by the symbol Qa
                      2. porcentiles
                        1. These measurements are primarily used to determine the values ​​in a data set that lie in a frequency distribution.

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