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If the standard deviation of the numbers {2},{3},{a}{{and}}{11

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If the standard deviation of the numbers $2, 3, a and 11$ is $3.5,$ then which of the following is true ?

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Henry Discussed

If the standard deviation of the numbers

2, 3, a and 11

3.5,

then which of the following is true ?

13 mins ago

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13 mins ago

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Question Text	If the standard deviation of the numbers $2, 3, a and 11$ is $3.5,$ then which of the following is true ?
Answer Type	Video solution: 1
Upvotes	150