Examlex
Write the first five terms of the arithmetic sequence with the given first term, a1, and common difference, d.
-a1 = 1; d = 2
One-tail Area
Refers to the area under the probability distribution curve to either the left or right of a specified value, used in hypothesis testing to assess one-sided significance.
Equal-variances Test
A statistical procedure used to assess whether the variances of two populations are equal, as assumed by certain parametric tests.
Unequal Variances
A situation in statistical analyses where two or more groups have significantly different variances, impacting the assumptions of certain tests.
Normally Distributed
A description of dataset that follows a normal distribution, with most observations clustering around the mean and symmetrical tails.
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