Mean difference before and after the Saturday tutoring? Null and alternative hypotheses?Critical value?Test statistic and p-value?Decision: fails to reject or reject?

wants to know if setting up extra tutoring sessions on Saturdays will help students feel more confident about the course (she thinks that it will). She asks students to rate how they feel about their ability to interpret statistics output on a scale from 1 to 5, with 1 being "Not Confident At All" and 5 being "Extremely Confident". She asks students this question before and after the extra tutoring session. Does it appear that the extra tutoring session helps students feel more confident? Use a significance level of 0.05. Before 3 2 1 1 2 3 2 4 5 After 4 4 4 3 3 2 1 4 5 U Question 11 (1.5 points) Listen What is the mean difference before and after the Saturday tutoring session (d)