For a sample selected from a population with a meanof = 50 an a standarddeviatio

Question

For a sample selected from a population with a meanof = 50 an a standarddeviation = 10:
a. What is the expected value of M and the standard errorof M for a sampleof n = 4 scores?
b. What is the expected value of M and the standarderror M for a sampleof n = 25scores? Can someone help me with thisquestion at hand please? Thanks in advance! For a sample selected from a population with a meanof = 50 an a standarddeviation = 10:
a. What is the expected value of M and the standard errorof M for a sampleof n = 4 scores?
b. What is the expected value of M and the standarderror M for a sampleof n = 25scores? Can someone help me with thisquestion at hand please? Thanks in advance!

Explanation / Answer

ANSWERS: a) expected value of M= 50 , standard error of M = 10/ 4 = 5 b) expected value of M= 50 , standard error of M = 10/ 25 = 2

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