chloeeee59101 chloeeee59101 13-02-2024 Mathematics contestada Given the observations: 8, 12, 15, and 25, What are the values of the mean and the population standard deviation (sd)? 1) mean = 15; sd = 7.3 2) mean = 5; sd = 7.3 3) mean = 15; sd = 6.3