Research question: Is the mean age of a high school graduate different from 18 y

Question

Research question: Is the mean age of a high school graduate different from 18 years? The following hypotheses were written: Ha: ?#18 In a random sample of 15 high school graduates, data concerning their ages were skewed to the right with a mean of 20 and standard deviation of 3. The shape of the population is unknown. It is appropriate to use the t distribution to approximate the sampling distribution? Yes, it is appropriate to use the t distribution in this case O, it is not appropriate to use the t distribution in this case

Explanation / Answer

1) Option - a) Yes, it is appropriate to use the t distribution in this case.

2) Option - a) Yes, the z-distribution may be used.

                        

                 

                                                         

                                                                                                    

                                             

                                                                   

Related Questions

Navigate

• Browse (All)
• Browse R
• Subjects

---

---

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