In an introduction to statistics course, the students are given a basic exam to complete in class. Over the next few weeks, the students are given review sessions and then asked to complete the exam. The professor in the course expects the students' grades on the exam to increase. In analyzing the data, how should the alternative hypothesis be stated? A) µ₁ = µ₂ B) µ_D ≠ 0 C) µ₁ µ₂ D) µ₁

Question

In an introduction to statistics course, the students are given a basic exam to complete in class. Over the next few weeks, the students are given review sessions and then asked to complete the exam. The professor in the course expects the students' grades on the exam to increase. In analyzing the data, how should the alternative hypothesis be stated? A) µ₁ = µ₂ B) µ_D ≠ 0 C) µ₁ > µ₂ D) µ₁ < µ₂

Quizplus · Accepted Answer

The alternative hypothesis should state that the mean score after the review sessions (µ₂) is greater than the mean score before the review sessions (µ₁), indicating an improvement.

In an Introduction to Statistics Course, the Students Are Given