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  2. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    Sample size determination. Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. 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 ...

  3. 50% Off - Wikipedia

    en.wikipedia.org/wiki/50%_Off

    50% Off. " 50% Off " is the second episode of the fifth season of the AMC television series Better Call Saul, a spin-off series of Breaking Bad. The episode aired on February 24, 2020, on AMC, in the United States. Outside of the United States, the episode premiered on the streaming service Netflix in several countries.

  4. Precision and recall - Wikipedia

    en.wikipedia.org/wiki/Precision_and_recall

    In pattern recognition, information retrieval, object detection and classification (machine learning), precision and recall are performance metrics that apply to data retrieved from a collection, corpus or sample space . Precision (also called positive predictive value) is the fraction of relevant instances among the retrieved instances.

  5. Standard deviation - Wikipedia

    en.wikipedia.org/wiki/Standard_deviation

    For example, assume an investor had to choose between two stocks. Stock A over the past 20 years had an average return of 10 percent, with a standard deviation of 20 percentage points (pp) and Stock B, over the same period, had average returns of 12 percent but a higher standard deviation of 30 pp. On the basis of risk and return, an investor ...

  6. Coupon (finance) - Wikipedia

    en.wikipedia.org/wiki/Coupon_(finance)

    Coupon (finance) In finance, a coupon is the interest payment received by a bondholder from the date of issuance until the date of maturity of a bond. [ 1] Coupons are normally described in terms of the "coupon rate", which is calculated by adding the sum of coupons paid per year and dividing it by the bond's face value. [ 2]

  7. Daily mortgage rates for July 1, 2024: Rates for 30-year, 15 ...

    www.aol.com/finance/daily-mortgage-rates-for...

    Rates on a 15-year mortgage stand at an average 6.50% for purchase and 6.54% for refinance, up 11 basis points from 6.39% for purchase and from 6.43% for refinance at the start of last week.

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