document.write( "Question 725019: Please help me solve this: The mean GPA of nursing majors in a certain university is 3.1 with a standard deviation of .70. What is the standard deviation of the distribution of sample means if each sample has 20 students in it? \n" ); document.write( "
Algebra.Com's Answer #444053 by stanbon(75887)\"\" \"About 
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Please help me solve this: The mean GPA of nursing majors in a certain university is 3.1 with a standard deviation of .70. What is the standard deviation of the distribution of sample means if each sample has 20 students in it?
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\n" ); document.write( "Check out the Central Limit Theorem:
\n" ); document.write( "mean of sample means = u
\n" ); document.write( "std of sample means = s/sqrt(n)
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\n" ); document.write( "Your Problem:
\n" ); document.write( "std = 0.7/sqrt(20) = 0.1565
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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