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The mean and standard deviation of five observations {x}_{{1}}

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The mean and standard deviation of five observations $x_{1}, x_{2}, x_{3}, x_{4}, x_{5}$ and are 10 and 3 respectively, then variance of the observation $x_{1}, x_{2}, x_{3}, x_{4}, x_{5}, - 50$ is equal to (a) 437.5 (b) 507.5 (c) 537.5 (d) 487.5

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Amelia Discussed

The mean and standard deviation of five observations

x_{1}, x_{2}, x_{3}, x_{4}, x_{5}

and are 10 and 3 respectively, then variance of the observation

x_{1}, x_{2}, x_{3}, x_{4}, x_{5}, - 50

is equal to (a) 437.5 (b) 507.5 (c) 537.5 (d) 487.5

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Question Text	The mean and standard deviation of five observations $x_{1}, x_{2}, x_{3}, x_{4}, x_{5}$ and are 10 and 3 respectively, then variance of the observation $x_{1}, x_{2}, x_{3}, x_{4}, x_{5}, - 50$ is equal to (a) 437.5 (b) 507.5 (c) 537.5 (d) 487.5
Answer Type	Video solution: 1
Upvotes	150