Mathematics, 04.02.2020 03:46 ely093
Tyesha found that the z-statistic was 2.1 and that the critical z-values were -1.96 and 1.96. which of the following is a valid conclusion based on these results?
Answers: 1
falls outside the region 
, which suggests that 
is the rejection region for a hypothesis at a 5% significance level. (We know this because 
.) Because 
falls in the rejection region, presumably this means you are rejecting some null hypothesis. But it's difficult to say for certain without any more information.
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Tyesha found that the z-statistic was 2.1 and that the critical z-values were -1.96 and 1.96. which...
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