# Answer to Question #15477 in Statistics and Probability for Celeste

Question #15477

from an urn containing balls, a ball is drawn,weighted and replaced. This experiment was repeated 5 times. The results were 5,1; 4,6; 6,2; 5,1; 4,0. The standard error of the sample mean is

Expert's answer

Using a formula for the standard error gives us the following st.err.=0.81

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