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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. P–P plot - Wikipedia

    en.wikipedia.org/wiki/P–P_plot

    P–P plot. In statistics, a P–P plot ( probability–probability plot or percent–percent plot or P value plot) is a probability plot for assessing how closely two data sets agree, or for assessing how closely a dataset fits a particular model. It works by plotting the two cumulative distribution functions against each other; if they are ...

  4. Student's t-test - Wikipedia

    en.wikipedia.org/wiki/Student's_t-test

    Once the t value and degrees of freedom are determined, a p-value can be found using a table of values from Student's t-distribution. If the calculated p-value is below the threshold chosen for statistical significance (usually the 0.10, the 0.05, or 0.01 level), then the null hypothesis is rejected in favor of the alternative hypothesis.

  5. Multiple comparisons problem - Wikipedia

    en.wikipedia.org/wiki/Multiple_comparisons_problem

    Multiple comparisons problem. An example of coincidence produced by data dredging (uncorrected multiple comparisons) showing a correlation between the number of letters in a spelling bee's winning word and the number of people in the United States killed by venomous spiders. Given a large enough pool of variables for the same time period, it is ...

  6. Descriptive statistics - Wikipedia

    en.wikipedia.org/wiki/Descriptive_statistics

    Use in statistical analysis. Descriptive statistics provide simple summaries about the sample and about the observations that have been made. Such summaries may be either quantitative, i.e. summary statistics, or visual, i.e. simple-to-understand graphs. These summaries may either form the basis of the initial description of the data as part of ...

  7. Line graph - Wikipedia

    en.wikipedia.org/wiki/Line_graph

    In the mathematical discipline of graph theory, the line graph of an undirected graph G is another graph L(G) that represents the adjacencies between edges of G. L(G) is constructed in the following way: for each edge in G, make a vertex in L(G); for every two edges in G that have a vertex in common, make an edge between their corresponding vertices in L(G).

  8. Misleading graph - Wikipedia

    en.wikipedia.org/wiki/Misleading_graph

    The graph on the right, however uses a logarithmic scale, which generates a straight line. If the graph viewer were not aware of this, the graph would appear to show a linear trend. Truncated graph. A truncated graph (also known as a torn graph) has a y axis that does not start at 0. These graphs can create the impression of important change ...

  9. Scree plot - Wikipedia

    en.wikipedia.org/wiki/Scree_plot

    The procedure of finding statistically significant factors or components using a scree plot is also known as a scree test. Raymond B. Cattell introduced the scree plot in 1966. [2] A scree plot always displays the eigenvalues in a downward curve, ordering the eigenvalues from largest to smallest. According to the scree test, the "elbow" of the ...