Verbal Score (X) | Final Grade (Y) | (Xi - Mean of X) | (Yi - Mean of Y) | (Xi - Mean of X)^2 | (Yi - Mean of Y)^2 | (Xi - Mean of X)(Yi - Mean of Y) |
46 | 73 | -0.5 | -1.2 | 0.25 | 1.44 | 0.6 |
63 | 81 | 16.5 | 6.8 | 272.25 | 46.24 | 112.2 |
29 | 70 | -17.5 | -4.2 | 306.25 | 17.64 | 73.5 |
44 | 75 | -2.5 | 0.8 | 6.25 | 0.64 | -2 |
52 | 72 | 5.5 | -2.2 | 30.25 | 4.84 | -12.1 |
44 | 72 | -2.5 | -2.2 | 6.25 | 4.84 | 5.5 |
26 | 76 | -20.5 | 1.8 | 420.25 | 3.24 | -36.9 |
30 | 84 | -16.5 | 9.8 | 272.25 | 96.04 | -161.7 |
59 | 71 | 12.5 | -3.2 | 156.25 | 10.24 | -40 |
72 | 68 | 25.5 | -6.2 | 650.25 | 38.44 | -158.1 |
09:38 Prev Up Next (1 pt) A study was conducted to determine whether the final grade...
Prev Up Next (1 pt) A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for 10 students are shown in the table below Student Verbal Score x Final Grade y 34 36 62 79 46 100 75 95 96 73 79 63 71 70 4 65 25 60...
(1 point) A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for all 10 students in the class are shown in the table below. Student Verbal Score x Final Grade y 49 77 51 67 69 81 61 61 47 62 73 41 59 90 65 82 26...
1 76 (6 points) A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for all 10 students in the class are shown in the table below. Student Verbal Score x Final Grade y 34 78 2 56 3 76 68 4 34 76 5 33 60 6 49...
46 2 (6 points) A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for all 10 students in the class are shown in the table below. Student Verbal Score x Final Grade y 1 86 42 77 3 41 87 4 39 98 5 79 75 6 41...
46 2 (6 points) A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for all 10 students in the class are shown in the table below. Student Verbal Score x Final Grade y 1 86 42 77 3 41 87 4 39 98 5 79 75 6 41...
Please show all work step by step. thank you! Please read the direction in every problem. Show all your work here. (Round probabilities to 4 decimals.) 1. A student earned grades of 84, 78, 84, and 72 on her four regular tests. She earned a grade of 78 on the final exam and 86 on her class projects. Her combined homework grade was 87. The four regular tests count for 40% of the course grade, the final exam counts for...
Student stress at final exam time comes partly from the uncertainty of grades and the consequences of those grades. Can knowledge of a midterm grade be used to predict a final exam grade? A random sample of 200 BCOM students from recent years was taken and their percentage grades on assignments, midterm exam, and final exam were recorded. Let’s examine the ability of midterm and assignment grades to predict final exam grades. The data are shown here: Assignment Midterm FinalExam...
Problem 4: Variables that may affect Grades The data set contains a random sample of STAT 250 Final Exam Scores out of 80 points. For each individual sampled, the time (in hours per week) that the student spent participating in a GMU club or sport and working for pay outside of GMU was recorded. Values of 0 indicate the students either does not participate in a club or sport or does not work a job for pay. The goal of...
Find the value of the linear correlation coefficient A study was conducted to compare the average time spent in the lab each week versus course grade 7) for computer programming students. The results are recorded in the table below. 51 16 15 16 10 81 51 C) 0.462 A) 0017 B)-0.284 D) -0.335 8) Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below iertonnance 59 |의 65169 ↓ 5 7...
TEST 1: ANSWERS INTS EACH). This section takes around 5 minutes. Name Spring 2019 8) A researcher wants to determine whether female teachers give higher or lower grades, on average, then male teachers. She picks a random sample by picking a random sample of schools, in the schools picked, picking a random sample of departments, and in the departments picked, picking a random sample of teachers. What kind of sampling was performed? d) voluntary response e) cluster b) stratified Random...