Which of the following experiments uses independent samples? You want to test wh

Question

Which of the following experiments uses independent samples? You want to test whether a sample of chimpanzees raised in captivity and fed a strict vegan diet for their lifetimes live longer than the known average life span for all chimpanzees living in captivity. You want to compare the mean SAT score of students who take a new SAT preparation course to that of students who don't take an SAT preparation course. So you compare the mean SAT score of a randomly selected group of students who took a new SAT preparation course to the mean SAT score of a randomly selected group of students who didn't take an SAT preparation course. You want to compare the mean SAT scores of students before and after they complete a new SAT preparation course. So you compare the mean SAT scores of a randomly selected group of students before and after they completed a new SAT preparation course.

Explanation / Answer

Option-2 is the answer

this is because those who take new course and those who do not take new course are independent

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

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