The table shows the Minitab output for a two-sample t-test for the number of televisions owned in households of random samples of students at two different community colleges. Each individual was randomly chosen independently of the others; the students were not chosen as pairs or in groups. One of the schools is in a wealthy community (MC), and the other (OC) is in a less wealthy community. Test the hypothesis that the population means are not the same, using a significance level of 0.05. See page 474 for guidance.

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Two-Sample T-Test and Cl: OCTV, MCTV Two-sample T for OCTV ca MCTY 30 30 Mean 3.70 3.33 StDev 1.49 1.49 SE Mean 0.27 0.27 MCTV Difference μ{OCTV) -μ(MCTV) Eatimate for difference: 0.367 95% CI for difference: {-0.404, 1.138) T-Teat of difference-: 0 (vส e): T-Value 0.95 p-value = 0.345