P Prettybrwneyes New member Mar 25, 2010 #1 ...deviation of 10.2. Consturct? A random sample of 40 students has a test score with a mean of 8.15 and standard deviation of 10.2. Construct the confidence interval for the population mean if c=0.90
...deviation of 10.2. Consturct? A random sample of 40 students has a test score with a mean of 8.15 and standard deviation of 10.2. Construct the confidence interval for the population mean if c=0.90