Calculate the value of the unpooled test statistic t in each of the following situations. In each case, assume the null hypothesis is Ho: H, - u, = 0. (Round your answers to two decimal places.) (a) x, = 39, s, = 9, n1 81; x2 = 35, s2 = 8, n2 = 64 t = (b) The difference in sample means is 49, s.e.(x, - x,) = 29. t =

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Calculate the value of the unpooled test statistic t in each of the following situations. In each case, assume the null hypothesis is Ho: H, - u,
= 0. (Round your answers to two decimal
places.)
(a) x, = 39, s, = 9, n1
81; x2 = 35, s2 = 8, n2
= 64
t =
(b) The difference in sample means is 49, s.e.(x, - x,) = 29.
t =
Transcribed Image Text:Calculate the value of the unpooled test statistic t in each of the following situations. In each case, assume the null hypothesis is Ho: H, - u, = 0. (Round your answers to two decimal places.) (a) x, = 39, s, = 9, n1 81; x2 = 35, s2 = 8, n2 = 64 t = (b) The difference in sample means is 49, s.e.(x, - x,) = 29. t =
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