The mean biology score of all undergraduate students at a college in a given year is 67.8, with a standard deviation of 11.5. what is the standard error of the mean for a sample of 70 students?

Standard error represents the accuracy of the sample in a population. Its formula is SE = s/√n, where s is the standard deviation and n is the number of students. Therefore,

SE = 11.5/√70 = 1.37

The standard error of mean is equal to 1.37.

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