Statıstıcs Iı Deneme Sınavı Sorusu #1050750

I. The alternative hypothesis can be expressed in three different ways according to the purpose of the research question.

II. H1: ? ? ?0  A hypothesis test whose alternative hypothesis (H1) has this form named as the one-tailed test or one-sided alternative hypothesis.

III. Right-tailed and left tailed hypothesis tests are also called a two-tailed test or two-sided alternative hypothesis.

Which of these statements about hypothesis testing are true?


Only I

Only II

I and II

I and III

II and III


Yanıt Açıklaması:

I. The alternative hypothesis can be expressed in three different ways according to the purpose of the research question. (True)

II. H1: ? ? ?0  A hypothesis test whose alternative hypothesis (H1) has this form named as the one-tailed test or one-sided alternative hypothesis. (False, H1: ? ? ?0  A hypothesis test whose alternative hypothesis (H1) has this form named as the two-tailed test or two-sided alternative hypothesis.)

III. Right-tailed and left tailed hypothesis tests are also called a two-tailed test or two-sided alternative hypothesis. (False, Right-tailed and left tailed hypothesis tests are also called a one-tailed test or one-sided alternative hypothesis.)

The answer is A.

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