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  2. Then She Found Me - Wikipedia

    en.wikipedia.org/wiki/Then_She_Found_Me

    Country. United States. Language. English. Box office. $8,142,237. Then She Found Me is a 2007 American comedy-drama film directed by Helen Hunt. The screenplay by Hunt, Alice Arlen, and Victor Levin is very loosely based on the 1990 novel of the same name by Elinor Lipman. The film marked Hunt's feature film directorial debut.

  3. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/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 study is usually determined ...

  4. Chi-squared test - Wikipedia

    en.wikipedia.org/wiki/Chi-squared_test

    Chi-squared distribution, showing χ2 on the x -axis and p -value (right tail probability) on the y -axis. A chi-squared test (also chi-square or χ2 test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large. In simpler terms, this test is primarily used to examine whether two categorical ...

  5. Descriptive statistics - Wikipedia

    en.wikipedia.org/wiki/Descriptive_statistics

    v. t. e. A descriptive statistic (in the count noun sense) is a summary statistic that quantitatively describes or summarizes features from a collection of information, [ 1] while descriptive statistics (in the mass noun sense) is the process of using and analysing those statistics. Descriptive statistics is distinguished from inferential ...

  6. Systematic sampling - Wikipedia

    en.wikipedia.org/wiki/Systematic_sampling

    Systematic sampling. In survey methodology, one-dimensional systematic sampling is a statistical method involving the selection of elements from an ordered sampling frame. The most common form of systematic sampling is an equiprobability method. [1] This applies in particular when the sampled units are individuals, households or corporations.

  7. List of academic databases and search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_academic_databases...

    The main academic full-text databases are open archives or link-resolution services, although others operate under different models such as mirroring or hybrid publishers. Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is available.

  8. Sampling (statistics) - Wikipedia

    en.wikipedia.org/wiki/Sampling_(statistics)

    A visual representation of the sampling process. In statistics, quality assurance, and survey methodology, sampling is the selection of a subset or a statistical sample (termed sample for short) of individuals from within a statistical population to estimate characteristics of the whole population. The subset is meant to reflect the whole ...

  9. Why look for nerve endings in the clitoris? - AOL

    www.aol.com/lifestyle/clitoris-10-000-nerve...

    According to the new research, that number is a whopping 10,281. By comparison, the palm of one’s hand has 17,000 nerve endings — in a much, much larger area.