A letter home to the parents of seniors at Westgate High School says a simple...
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A letter home to the parents of seniors at Westgate High School says a simple random sample of 30 Westgate seniors that took the SAT M test this year produced a mean of 512 and a standard deviation of 95 A confidence interval for the true mean for all WHS seniors is 512 00 47 8 The confidence level for this interval is
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