Section 7.3 A sample of n1 = 25 of juniors at PSU found a mean age of 21 years. A sample of 11.2 = 26
Section 7.3 A sample of n1 = 25 of juniors at PSU found a mean age of 21 years. A sample of 11.2 = 26 juniors at OSU found a mean age of 23 years. The population ages are normally distributed and cl = 3 02 = 2. Find a 95% confidence interval in the difference in the mean age, round answers to to 4 decimal places. CM wa]
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