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The mean of a set of data is 148.87 and its standard deviation is 68.29. Find the z score for a value of 490.19.
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The mean of a set of data is 148.87 and its standard deviation is 68.29. Find the z score for a value of 490.19.

User Footurist
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The mean of a set of data is 148.87 and its standard deviation is 68.29. Find the z score for a value of 490.19
the z-score is given by:
z=(x-μ)/σ
plugging in the values in the expression we get:
z=(490.19-149.87)/68.29
z=340.32/68.29
z=4.9835
User Brajendra Pandey
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