What should researcher conclude for hypothesis


With a random sample of 90 students a mean SAT of 1030 and average score of 1000(o= 200)
would this be a one tailed or 2 tailed
what is the Ho and Ha
Compute the Zobt
Find the Zcv .05 aplha

sheould the Ho be rejected? What should researcher conclude. Determine 95% confidence interval for the population mean, based on the sample mean.

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Basic Statistics: What should researcher conclude for hypothesis
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