Question
A statistics student at IVC was interested in comparing the amount of time spent watching commercials by female students as compared to male students. Independent
A statistics student at IVC was interested in comparing the amount of time spent watching commercials by female students as compared to male students. Independent simple random samples of 14 female students and 17 male students were selected, and each student was asked how many hours they had watched television commercials during the previous week. The summary statistics are listed in the table below. Is there compelling statistical evidence that the mean amount of time spent watching commercials is lower for female students than it is for male students? Use a significance value of 0.05.
Two-Sample T-Test
Sample | N | Mean time spent watching commercials | Standard Deviation time spent watching commercials |
Female | 14 | 11.1 | 4.2 |
Male | 17 | 17.8 | 4.3 |
Null Hypothesis, H0 =
Alternative Hypothesis, H1 =
Test Statistic, t =
P-value =
Significance level =
Conclusion =
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