Confidence interval for population mean based on sample mean

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Reference no: EM1398258

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

should the Ho be rejected? What should researcher conclude

Determine 95% confidence interval for the population mean, based on the sample mean.

Reference no: EM1398258

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