A randomly selected sample of 100 students had an average grade point average (GPA) of 3.2 with a standard deviation of 0.2. The standard error of the sample mean is
A) 0.020
B) 0.200
C) 1.600
D) 2.000

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The Answer of A randomly selected sample of 100 students had an average grade point average (GPA) of 3.2 with a standard deviation of 0.2. The standard error of the sample mean is
A) 0.020
B) 0.200
C) 1.600
D) 2.000

A Randomly Selected Sample of 100 Students Had an Average