1. Which statement correctly describes the null hypothesis?, A. It states that there is a significant effect or difference., B. It states that there is no effect or no difference., C. It is always accepted as true., D. It is tested after the alternative hypothesis., 2. What is the main purpose of the alternative hypothesis in hypothesis testing?, A. To prove that the null hypothesis is always correct, B. To show that there is a significant effect or relationship, C. To replace the sample data, D. To eliminate the need for statistical testing, 3. In hypothesis testing, when do we reject the null hypothesis?, A. When the data is incomplete., B. When the sample size is small., C. When the researcher prefers the alternative hypothesis., D. When there is enough evidence supporting the alternative hypothesis., 4. Which pair correctly represents null and alternative hypotheses?, A. H₀: μ ≠ 50 and Hₐ: μ = 50, B. H₀: μ > 50 and Hₐ: μ = 50, C. H₀: μ = 50 and Hₐ: μ ≠ 50, D. H₀: μ < 50 and Hₐ: μ = 50, 5. The school record shows that the average age of Grade 11 students is 17 years old. Ma’am Prado wants to test if this claim is true. She surveyed the 6 sections she handles. What are the correct null and alternative hypotheses?, A. H₀: μ = 17 and Hₐ: μ ≠ 17, B. H₀: μ ≠ 17 and Hₐ: μ = 17, C. H₀: μ > 17 and Hₐ: μ = 17, D. H₀: μ < 17 and Hₐ: μ = 17

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