Agitated
发表于 2025-3-21 18:30:48
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SHRIK
发表于 2025-3-21 21:17:52
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预感
发表于 2025-3-22 01:43:06
Introduction,ed statistical methods are based. In §1.4 we mention an alternative to the usual . or . test statistics, and in §1.5 we mention estimation of confidence intervals. In §1.6 we describe the layout of the book and in §1.7 we have a word with teachers. Lastly, in §1.8 we mention other authors who have d
bifurcate
发表于 2025-3-22 08:30:39
Independent Samples,asure their heights, or measure the heartbeats of six joggers and of six resting people. As in Chapter 2 our interest is normally in the average . in height between the females and males in our study population, or in the average . in heartbeat between resting and jogging humans.
cartilage
发表于 2025-3-22 10:00:24
Several Independent Samples,case of what is usually called an “analysis of variance”). For example, we may have cholesterol levels of one hundred randomly selected 50-year-olds for each of the states of the United States of America, or we may have grain yields from six experimental plots for each of ten wheat cultivars. In thi
记成蚂蚁
发表于 2025-3-22 13:05:49
Simple Regression,ll fathers’ sons were distributed about a value somewhat less than that of their father. The paper was entitled “Regression towards mediocrity in hereditary stature,” and the word regression has stayed with the subject.
Ceremony
发表于 2025-3-22 17:34:32
Several Independent Samples,tates; and (2) to contrast east coast states with west coast states. In the case of grain yields of wheat cultivars we may decide: (1) to contrast locally bred cultivars with imported cultivars; (2) to contrast European imports with Mexican imports; and (3) to contrast short-stemmed Mexican cultivars with long-stemmed Mexican cultivars.
neuron
发表于 2025-3-22 21:21:48
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Haphazard
发表于 2025-3-23 03:11:07
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群居男女
发表于 2025-3-23 08:01:51
Paired Samples,Paired samples occur when observations corne in pairs, such as the heights of mixed-sex twins or the pulse rates of joggers before and after jogging. The interest is normally in the pairwise differences, such as the . in height between the male and female in each twin pair, or the . in pulse rate of each jogger.