experimenting a random sample of 256 middle managers for study. One item of interest is their annual income. The umple

experimenting a random sample of 256 middle managers for study. One item of interest is their annual income. The umple mean is computed to be $35,420, and the sample standard deviation is $2,050. What is the sample standard error of the mean? Seleccione una 5128 125 O $8.01 OC 513836 OD 2050

 


experimenting a random sample of 256 middle managers for study. One item of interest is their annual income. The
umple mean i


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