Find the t calc test statistic for each hypothesis test.,a. x-bar = 347, ?0 5 349, s = 1.8, n = 9,b. x-bar = 45, ?0 5 50, s = 12, n = 16,c. x-bar = 4.103, ?0 5 4.004, s = 0.245, n = 25

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