Coded data - mean and standard deviation
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Coded data - mean and standard deviation
The mark, x, scored by each student who sat a statistics examination is coded using
The coded marks have mean 60.8 and standard deviation 6.60
Find the mean and the standard deviation of x.
y=1.4x-20
The coded marks have mean 60.8 and standard deviation 6.60
Find the mean and the standard deviation of x.
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