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Is there a significant difference in reported performance between the two groups of students? Use an independent-measures two-tailed test with a = .01. t-critical O Reject the null hypothesis; there is a significant difference. O Fail to reject the null hypothesis; there is no significant difference. O Reject the null hypothesis; there is no significant difference. O Fail to reject the null hypothesis; there is a significant difference.

Is there a significant difference in reported performance between the two groups of students? Use an independent-measures two-tailed test with a = .01. t-critical O Reject the null hypothesis; there is a significant difference. O Fail to reject the null hypothesis; there is no significant difference. O Reject the null hypothesis; there is no significant difference. O Fail to reject the null hypothesis; there is a significant difference.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Do: Chapter 10 End-of-Chapter Problems 4. Gravetter/Wallnau/Forzano, - Chapter 10 - End-of-chapter question 7 Research results suggest a relationship between the TV viewing habits of 5-year-old children and their future performance in high school. For example, Anderson, Huston, Wright, and Collins (1998) report that high school students who regularly watched Sesame Street as children had better grades in high school than their peers who did not watch Sesame Street. Suppose that a researcher intends to examine this phenomenon using a sample of 20 high school students. The researcher first surveys the students' parents to obtain information on the family's TV viewing habits during the time that the students were 5 years old. Based on the survey results, the researcher selects a sample of n = 10 students with a history of watching Sesame Street and a sample ofn = 10 students who did not watch the program. The average high school grade is recorded for each student, and the data are as follows: Average High School Grade Watched Sesame Street Did Not Watch Sesame Street 86 99 90 79 87 97 89 83 91 94 82 86 97 89 83 81 98 92 85 92 n = 10 n = 10 M = 93 M = 85 SS = 200 SS = 160
Transcribed Image Text:Do: Chapter 10 End-of-Chapter Problems 4. Gravetter/Wallnau/Forzano, - Chapter 10 - End-of-chapter question 7 Research results suggest a relationship between the TV viewing habits of 5-year-old children and their future performance in high school. For example, Anderson, Huston, Wright, and Collins (1998) report that high school students who regularly watched Sesame Street as children had better grades in high school than their peers who did not watch Sesame Street. Suppose that a researcher intends to examine this phenomenon using a sample of 20 high school students. The researcher first surveys the students' parents to obtain information on the family's TV viewing habits during the time that the students were 5 years old. Based on the survey results, the researcher selects a sample of n = 10 students with a history of watching Sesame Street and a sample ofn = 10 students who did not watch the program. The average high school grade is recorded for each student, and the data are as follows: Average High School Grade Watched Sesame Street Did Not Watch Sesame Street 86 99 90 79 87 97 89 83 91 94 82 86 97 89 83 81 98 92 85 92 n = 10 n = 10 M = 93 M = 85 SS = 200 SS = 160
Do: Chapter 10 End-of-Chapter Problems Is there a significant difference in reported performance between the two groups of students? Use an independent-measures two-tailed test with a = .01. t-critical O Reject the null hypothesis; there is a significant difference. Fail to reject the null hypothesis; there is no significant difference. O Reject the null hypothesis; there is no significant difference. O Fail to reject the null hypothesis; there is a significant difference. t Distribution Degrees of Freedom = 21
Transcribed Image Text:Do: Chapter 10 End-of-Chapter Problems Is there a significant difference in reported performance between the two groups of students? Use an independent-measures two-tailed test with a = .01. t-critical O Reject the null hypothesis; there is a significant difference. Fail to reject the null hypothesis; there is no significant difference. O Reject the null hypothesis; there is no significant difference. O Fail to reject the null hypothesis; there is a significant difference. t Distribution Degrees of Freedom = 21
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