Statıstıcs Iı Deneme Sınavı Sorusu #974313

In a two population hypothesis testing problem, the sample arithmetic means are 45 and 80. If the z value is calculated, what is the value of numerator for z?


-15

-25

-35

40

70


Yanıt Açıklaması:

the difference is

45 - 80 = -35

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