Assessment Task: Statistical Intervals 1. A random sample of size nl = 25, taken from a normal population with a standard deviation ol = 5, has a mean 1 = 80. A second random sample of size n2= 36, taken from a different normal population with a standard deviation o2 = 3, has a mean 2 = 75. Find a 95% confidence interval for ul - µ2 %3D

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