InterviewSolution
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InterviewSolution
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If the mean and variance of the observations x1, x2, x3, ⋯, xn are ¯x and σ2 respectively and a be a nonzero real number, then show that the mean and variance of ax1, ax2, ax3, ⋯. axn are ¯ax and a2 σ2 respectively. |
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Answer» If the mean and variance of the observations x1, x2, x3, ⋯, xn are ¯x and σ2 respectively and a be a nonzero real number, then show that the mean and variance of ax1, ax2, ax3, ⋯. axn are ¯ax and a2 σ2 respectively. |
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