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.
Therefore, the error mean square, , is: The statistic to test the significance of regression can now be calculated as: The critical value for this test, corresponding to a significance level of 0.1, is: Since, is rejected and it is concluded that at least one coefficient out of and is significant.