Listy Biometryczne - Biometrical Letters, Vol. 40 (2003), No. 1, 9-14
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A NOTE ON TESTING MEAN IN NORMAL POPULATION
Joanna Tarasińska Department of Applied Mathematics, Agricultural University, Akademicka 13, 20-934 Lublin, Poland johata@ursus.ar.lublin.pl |
The paper concerns the problem of testing the expected value of normal distribution by means of Student's t-test. Choosing the form of alternative hypothesis (both-, left-or right-sided) one shouldn't take into consideration the measurements in the sample. In such a case applied test has got less power than assumed.
normal distribution, Student's t-test, power of the test.
