原假设与备择假设 ，caidididi回答的很正确
TheNullandAlternateHypotheses:beforewebegin TheNullandAlternateHypothesisstatementsareimportantpartsoftheanalytical methodscollectivelyknownasinferentialstatistics Inferentialstatisticsaremethodsusedtodeterminesomethingaboutapopulation, basedontheobservationofasample
Exercise11-7(Algo)(LO11-2) The null and alternate hypotheses are: H0:μ1=μ2 H1:μ1≠μ2 A random sample of8observations from one population revealed a sample mean of23and a sample standard deviation of3.9.A random samp...
While testing the null and alternate hypothesis: H0: p=0.5 vs. Ha:p is less than 0.5 p-value = 0.0257 alpha = 0.05 What is the correct decision? A. none of these B. Do not reject H0 C. Reject Ha In a one-tail hypothesis test, t...
Take Home Test 2 1. A.NullHypothesis: There are no relations or associations among the groups’ mean scores. AlternateHypothesis: There is a relation or association among the student’s grade point averages and “if they rather prefer to stay at home than go out with friends”. Correlation...
After developing the initial research hypothesis, it can be beneficial to restate the null and alternate hypotheses so you can test them mathematically. You may consider this type of hypothesis as fact and regard it as how things currently exist. Accepting this indicates that the alternative hypothe...
I assert that the consequence of Type I error is more severe. Thus, I disbelieve in the alternate hypothesis. Hold the fire! The above story is exaggerated to make this point: Subjective values affect balancing of Type I and Type II error and our beliefs on null and alternate hypotheses....
In all cases, the first thing you do is state the Null and Alternate Hypotheses. The word Null in the context of hypothesis testing means “nothing” or “zero.” As an example, if we wanted to test whether there was a difference in two population means based on the calculations from ...
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary13,871,622,306visits served TheFreeDictionary Google ? Keyboard Word / Article Starts with Ends with Text EnglishEspañolDeutschFrançaisItalianoالعربية中文简体PolskiPortuguêsNederlandsNorskΕλληνικήРусский...
Although the symbols for the null hypothesis and alternative hypothesis -- sometimes called the alternate hypothesis -- do not exist as special characters in Microsoft Word, they are easily created with subscripts.The alternate hypothesis is symbolically