Derek F. answered 03/01/16
Tutor
4.9
(8)
An excellent tutor must be clear, concise and patient.
z-score = (x-μ)/σ = (50 - 44.5) / 6.3 = 5.5/6.3 = 0.873
Caleb C.
asked 03/01/16
Derek F. answered 03/01/16
An excellent tutor must be clear, concise and patient.
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