Master's Kankor Practice Questions - Afghanistan Master's (Fawq Lisans) Kankor - Postgraduate Admission Examination Exam

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What is the primary difference between a 'Null Hypothesis' (H_0) and an 'Alternative Hypothesis' (H_1 or H_a) in inferential statistical testing?

The null hypothesis posits no significant effect, difference, or relationship in the population, while the alternative hypothesis posits an actual effect, difference, or relationship The null hypothesis is proven true with 100% certainty, while the alternative hypothesis is always rejected The null hypothesis is used only in qualitative research, while the alternative hypothesis is used in quantitative research The null hypothesis tests sample size, while the alternative hypothesis tests sampling error

Correct Answer:

The null hypothesis posits no significant effect, difference, or relationship in the population, while the alternative hypothesis posits an actual effect, difference, or relationship

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