"The scores of Grade 11 students in an achievement test in mathematics are normally distributed with a mean of 83 and a standard deviation of 8. Suppose that a random sample of size n=20 is taken from this group of students." What is the mean and standard deviation of the SDSM of the given problem? * Hx = 2.23 O = 83 %3D Hã =83 = 2.23 %3D %3D O Option 2 O Option 1 Hx = 83 %3D Hx =2.23 Ox = 83 Ox = 2.23 %3D

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