1. a print produced by lithography. 2. duplicator that prints by lithography; a flat surface (of stone or metal) is treated to absorb or repel ink in the desired pattern. Familiarity information: LITHOGRAPH used as a noun is rare. â¢ LITHOGRAPH (verb).
1 The P-value is the probability of observing a sample statistic as extreme as the test statistic. 2  Since the test statistic is a t-score, use the t Distribution Calculator to assess the probability associated with the t-score, given the degrees of freedom computed above.
Definition. A t-testâs statistical significance indicates whether or not the difference between two groupsâ averages most likely reflects a ârealâ difference in the population from which the groups were sampled.tatistical Significance (T-Test). Statwing represents t-test results as distribution curves. Assuming there is a large enough sample size, the difference between these two groups is probably statistically significant.