Question

. If the standard deviation of the numbers 2,3,a &11
is 3.5, then which of the following is true?
a)3a^2
-23a+44=0 b)3a^2
-26a+55=0
c)3a^2
-32a+84=0 d)3a^2
-34a+91=0

Answer 1

Answer:

(B) 3a^2-26a+55=0 is the write answer

Answer 2

(B) 3A*2-26A+55=0 is the write answer of the question

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