the production line and were tested. Below are the measured resistance of the d resistors. [220.8, 221.9, 223.2, 219.1, 222.8, 219.2, 219.4, 219.5] sider the two-sided hypothesis test for the mean resistance: Ho : µ = 220 vs Hj : µ # 220 culate the test statistic for the observed data for this hypothesis test. Give your answer to 3 decimal places. t statistic: to 3 d.p. at is your hypothesis decision given that the manufacturing company is happy with a 5% significance level of the test? pothesis Decision: (No answer given) may use the following quantile values from the Student-t distribution: df 7 8 9 t(0.900, df) 1.415 1.397 1.383 t(0.950, df) 1.895 1.860 1.833 t(0.975, df) 2.365 2.306 2.262

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