Processed data: 1 It Find the mean and standard deviation of the difference, n 2 :1 : 71 2y : 20111 E: : 329 Ely : 4758 2y :161511 Calculate the following: 1. ssxx 12, Find the value of the standardized test statistic 13 Find the rejection region and state your decisian at a = (101. Use the follnwlng infurmatlon tn answer the rest of the Questions. Correlation and regression anatysis tram start to iinish: To investigate the relationship between class attendance and periormance. an education re- searcher selecte for study a multiple section introductory statistics course at a large university. Instructors agree to keep an accurate record of attendance throughout one semester. At the Give the least square regression line tor these data end of the semester 26 students are selected at random. For each student in the sample, two measurements are made: the number at days the student was absent (1) and the student's score on the common iinal exam (:1) The data are summarized below: Calculate the goodness of fit (SSE), and the statistic se. Now examine the students who have exactly 5 absences. Give an estimate for the average score on the final exam for such students. What meaning do B, and Bo have? Construct a 95% confidence interval for the average score on the final exam for all students with 5 absences. Calculate the correlation coefficient, r. Construct a 95% prediction interval for the final exam score of a randomly selected student with 5 Test, at the 5% level of significance, the following hypotheses: absences. Ho : B1 = 0 vs. H1 : B1