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 of n = 10 students who did not watch the program. The average high school grade is recorded for each student and the data are as follows: Watched Sesame Street: 86 87 91 97 98 99 97 94 89 92. n=10, M=93, SS=200 Did Not Watch Sesame Street: 90 89 82 83 85 79 83 86 81 92, n=10, M=85, SS=160 Use an independent-measures t test with α = .01 to determine whether there is a significant difference between the two types of high school student
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 of n = 10 students who did not watch the program. The average high school grade is recorded for each student and the data are as follows:
Watched Sesame Street: 86 87 91 97 98 99 97 94 89 92. n=10, M=93, SS=200
Did Not Watch Sesame Street: 90 89 82 83 85 79 83 86 81 92, n=10, M=85, SS=160
Use an independent-measures t test with α = .01 to determine whether there is a significant difference between the two types of high school student
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