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  2. Clothing sizes - Wikipedia

    en.wikipedia.org/wiki/Clothing_sizes

    Ad hoc sizes: The label states a size number or code with no obvious relationship to any measurement. (For example: Size 12, XL.) (For example: Size 12, XL.) Children's clothes sizes are sometimes described by the age of the child, or, for infants, the weight.

  3. U.S. standard clothing size - Wikipedia

    en.wikipedia.org/wiki/U.S._standard_clothing_size

    There are multiple size types, designed to fit somewhat different body shapes. Variations include the height of the person's torso (known as back length), whether the bust, waist, and hips are straighter (characteristic of teenagers) or curvier (like many adult women), and whether the bust is higher or lower (characteristic of younger and older women, respectively).

  4. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined based on the cost, time, or convenience of collecting the data, and the need for it to offer sufficient statistical power .

  5. Bust/waist/hip measurements - Wikipedia

    en.wikipedia.org/wiki/Bust/waist/hip_measurements

    Brassière band size is measured below the breasts, not at the bust. A woman with measurements of 36A–27–38 will have a different presentation than a woman with measurements of 34C–27–38. A woman with measurements of 36A–27–38 will have a different presentation than a woman with measurements of 34C–27–38.

  6. Design effect - Wikipedia

    en.wikipedia.org/wiki/Design_effect

    The effective sample size, defined by Kish in 1965, is calculated by dividing the original sample size by the design effect. [1]: 162, 259 ...

  7. x̅ and R chart - Wikipedia

    en.wikipedia.org/wiki/X̅_and_R_chart

    The sample size is relatively small (say, n ≤ 10— ¯ and s charts are typically used for larger sample sizes) The sample size is constant; Humans must perform the calculations for the chart; As with the ¯ and s and individuals control charts, the ¯ chart is only valid if the within-sample variability is constant. [4]

  8. p-chart - Wikipedia

    en.wikipedia.org/wiki/P-chart

    In statistical quality control, the p-chart is a type of control chart used to monitor the proportion of nonconforming units in a sample, where the sample proportion nonconforming is defined as the ratio of the number of nonconforming units to the sample size, n. [1] The p-chart only accommodates "pass"/"fail"-type inspection as determined by ...

  9. Shoe size - Wikipedia

    en.wikipedia.org/wiki/Shoe_size

    An adult size one is then the next size up (26 barleycorns, or 8 + 2 ⁄ 3 in (22.01 cm)) and each size up continues the progression in barleycorns. [10] The calculation for an adult shoe size in the UK is thus: adult shoe size (barleycorns) = 3 × last length (in) − 25. equivalent to: adult shoe size (barleycorns) ≈ 3 × foot length (in ...