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searching for Pooled variance 5 found (14 total)

Dunnett's test (2,417 words) [view diff] exact match in snippet view article find links to article

numbers, means, and variances. 2. Calculate Pooled Variance s 2 {\displaystyle s^{2}} : Compute the pooled variance across all groups. E.g., 55 2 + 47 2 +

Kruskal–Wallis test (2,324 words) [view diff] exact match in snippet view article find links to article

rankings as the Kruskal–Wallis test, and (2) properly employs the pooled variance implied by the null hypothesis of the Kruskal–Wallis test in order

Null hypothesis (5,351 words) [view diff] exact match in snippet view article find links to article

variances and shapes of their respective distributions. This is known as a pooled variance. Simple hypothesis Any hypothesis which specifies the population distribution

Student's t-test (7,011 words) [view diff] exact match in snippet view article find links to article

case ( s Δ ¯ ) 2 {\displaystyle (s_{\bar {\Delta }})^{2}} is not a pooled variance. For use in significance testing, the distribution of the test statistic

Two-proportion Z-test (2,072 words) [view diff] exact match in snippet view article find links to article

hypothesis testing and the confidence intervals. The first uses a pooled variance (based on the null hypothesis), while the second has to estimate the