X UG f M M C S a G + V X C online.mun.ca/d21/le/content/485955/viewContent/4518693/View * Homework Assignment #6 Questions 1. For each of the following, test for the significance of the difference in sample statistics using the five-step model. (HINT: Remember to solve Formula 1 1.4 before attempting to solve Formula 1 1.2. Also, in Formula 1 1.4, perform the mathematical operations in the proper sequence. First square each sample standard deviation, then divide by the proper N, add the resultant values, and then find the square root of the sum). a. Sample 1 Sample 2 X1 = 72.5 X2 = 76.0 $1 = 14.3 $2 = 10.2 N1 = 136 N2 = 257 b. Sample 1 Sample 2 X1 = 107 X2 = 103 $1 = 14 $2 = 17 N1 = 175 N2 = 200 Download Print w P 1.C Partly sunny x / ENG 4:52 PM 2022-11-13X UG + V X C online.mun.ca/d21/le/content/485955/viewContent/4518693/View * SOCI 3040 Fall 2022, Homework 5 2. Do people engaged in different sports vary in terms of their readiness for postsecondary education? Reported here are university entrance exam scores of fictitious random samples of college soccer players and gymnasts among male and female athletes. Is there a significant difference between groups? Write a sentence or two explaining the difference. a. Sample 1 Sample 2 (Soccer Players) (Gymnasts) X1 = 460 X2 = 442 $1 = 92 S2 = 57 N1 = 102 N2 = 117 Download Print w P 1'C Partly sunny 4:52 PM x / ENG 2022-11-13X UG f M M C S a G + V X C online.mun.ca/d21/le/content/485955/viewContent/4518693/View * b. Sample 1 Sample 2 (Males) (Females) X1 = 452 X2 = 480 $1 = 88 S2 = 75 N1 = 107 N2 = 105 Page 2 of 3 Download Print w P 1.C Partly sunny x / ENG 4:52 PM 2022-11-13X UG f M M C S a G + V X C online.mun.ca/d21/le/content/485955/viewContent/4518693/View * 3. At MNLU, the sociology and psychology departments have been feuding for years about the respective quality of their programs. In an attempt to resolve the dispute, you have gathered data about the graduate school experience of random samples of both groups of majors. As measured by these data, is there a significant difference in program quality? a. Proportion of majors who applied to graduate school: Sample 1 Sample 2 (Sociology) (Psychology) Ps1 = 0.53 Ps2 = 0.40 N1 = 150 N2 = 175 b. Proportion accepted by program of first choice: Sample 1 Sample 2 (Sociology) (Psychology) Ps1 = 0.75 Ps2 = 0.86 N1 = 80 N2 = 70 Download Print w P 1.C Partly sunny 4:52 PM x / ENG 2022-11-13X UG f M M C S a G + V X C online.mun.ca/d21/le/content/485955/viewContent/4518693/View * c. Proportion completing the program: Sample 1 Sample 2 (Sociology) (Psychology) Ps1 = 0.75 Ps2 = 0.70 N1 = 60 N2 = 60 Page 3 of 3 Download Print w P 1.C Partly sunny 4:52 PM ENG 2022-11-13X UG f M M C S a G + V X C online.mun.ca/d21/le/content/485955/viewContent/4518693/View * Homework Assignment #6 Questions 1. For each of the following, test for the significance of the difference in sample statistics using the five-step model. (HINT: Remember to solve Formula 1 1.4 before attempting to solve Formula 1 1.2. Also, in Formula 1 1.4, perform the mathematical operations in the proper sequence. First square each sample standard deviation, then divide by the proper N, add the resultant values, and then find the square root of the sum). a. Sample 1 Sample 2 X1 = 72.5 X2 = 76.0 $1 = 14.3 $2 = 10.2 N1 = 136 N2 = 257 b. Sample 1 Sample 2 X1 = 107 X2 = 103 $1 = 14 $2 = 17 N1 = 175 N2 = 200 Download Print w P 1.C Partly sunny x / ENG 4:52 PM 2022-11-13