Statıstıcs Iı Deneme Sınavı Sorusu #974308

In a two population hypothesis testing problem, population standard deviations are 40 and 30, sample sizes are 125 and 225 respectively. If the z value is calculated, what is the value of denominator for z?


2.7

6.597

1.879

4.099

2.658


Yanıt Açıklaması:

sqrt(40^2/125 + 30^2 / 225) = 4.099

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