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I have a statistics question. I'm not sure how to use the Z test for a two-tailed test with this scenario: n=220 mean=22 (hypothesized mean)
I have a statistics question. I'm not sure how to use the Z test for a two-tailed test with this scenario:
n=220
mean=22 (hypothesized mean)
using 90% confidence interval
standard deviation = 6
In this case - the hypothesis will be h0 = p0 < 22; h1 = p>22
Am I missing anything else?
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