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2. One- and two-tailed tests - Wikipedia

   en.wikipedia.org/wiki/One-_and_two-tailed_tests

   A two-tailed test applied to the normal distribution. A one-tailed test, showing the p -value as the size of one tail. In statistical significance testing, a one-tailed test and a two-tailed test are alternative ways of computing the statistical significance of a parameter inferred from a data set, in terms of a test statistic.

3. Two-sample hypothesis testing - Wikipedia

   en.wikipedia.org/wiki/Two-sample_hypothesis_testing

   In statistical hypothesis testing, a two-sample test is a test performed on the data of two random samples, each independently obtained from a different given population. The purpose of the test is to determine whether the difference between these two populations is statistically significant . There are a large number of statistical tests that ...

4. Student's t-test - Wikipedia

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

   Student's t-test is a statistical test used to test whether the difference between the response of two groups is statistically significant or not. It is any statistical hypothesis test in which the test statistic follows a Student's t -distribution under the null hypothesis. It is most commonly applied when the test statistic would follow a ...

5. Digon - Wikipedia

   en.wikipedia.org/wiki/Digon

   A regular digon has both angles equal and both sides equal and is represented by Schläfli symbol {2}. It may be constructed on a sphere as a pair of 180 degree arcs connecting antipodal points, when it forms a lune. The digon is the simplest abstract polytope of rank 2. A truncated digon, t{2} is a square, {4}. An alternated digon, h{2} is a ...

6. Your memory, only sharper: 5 ways BrainHQ can help ... - AOL

   www.aol.com/memory-only-sharper-5-ways-162900831...

   The program improves the speed and accuracy of information flowing through your brain, which enables the brain to make clearer memories. Examples include: Keeping the digits of a phone number in ...

7. The Fed typically waits for a crisis to make 'inter-meeting ...

   www.aol.com/finance/fed-typically-waits-crisis...

   The Fed looks to be "materially behind the curve," added JPMorgan’s Feroli, who expects a 50-basis-point cut at the September meeting followed by another 50-basis-point cut in November.