Question Completion Status: average went The p-value is greater than alpha. Ques

Question

Question Completion Status: average went The p-value is greater than alpha. Question 32 3.125 points Sa A manager wanted to test if a new employee group activity would improve self-rated worker performance. A paired t-test was used with ?-0.10. What should the manager conclude? t-Test: Paired Two Sample for Means Sel Before Self After 50 196.1935484 2484516 32 32 Mean Variance 52.5 rvations Pearson Correlation ed Mean Difference 31 0.705119326 t Stat P(TCat) one-tail t Critical one-tail P(Tcet) two-tail tCritilal two-tail 695518783 0.486000675 2.039513446 The employee group activity was successful. The employee group activity showed a significant difference in average self-rated worker performance. There was a significant drop in performance by 2.5 No significant difference in average self-rated worker performance. The drop seen could have occurred due to chance. Save and Submit Click Save and Submit to save and submit. Click Save All Answers to saue ali answers Save All Answers Save as

Explanation / Answer

1. As P value is 0.24(which is not <0.05) and t calculated value is less than critical value, we need accept null hypothesisi.e., No significance difference in self rated performance with group activity.(4 option is correct)

2.4 option. Pvalue is greater than alpha stating to reject null hypothesis but viceversa with taclculated and critical values that is to accept null hythesis i.e., No siginicance difference in average prodcutivity before and after

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.