dylanclark4907 dylanclark4907

10-04-2024
Mathematics

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A sample of n observations has a mean and variance s². Each observation is multiplied by a constant c. What is the mean and variance of the new set?
a) Mean: n¯c, Variance: s²c
b) Mean: n¯, Variance: s²
c) Mean: c, Variance: s²
d) Mean: nc¯, Variance: s²

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