Calculate the test-statistic, t with the following information. n1=45n1=45, ¯x1=2.55x¯1=2.55, s1=0.4s1=0.4 n2=55n2=55, ¯x2=2.85x¯2=2.85, s2=0.38s2=0.38 Rounded to 2 decimal places.

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