Suppose the following ``two-way table'' describes, for a sample of 1,000 people, the approximate ave


Question: Suppose the following ``two-way table'' describes, for a sample of 1,000 people, the approximate average noise level while awake, versus the number who passed a statistics test.

small noise moderate noise lots of noise
passed 70 300 220
didn't pass 30 200 180

Does the data suggest, at significance level 0.05, that noise level while awake, and passing statistics tests, are dependent? Use a χ2 test. Be sure to include a ``yes'' or ``no'' final answer.

Price: $2.99
Solution: The solution consists of 3 pages
Deliverable: Word Document

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