Duration: 5:37

21 views

0

If the standard deviation of the numbers 2,3 , a and 11 is \( 3.5 \), then which of the following is true?
\( \mathrm{P} \)
(A) \( 3 a^{2} \cdot 23 a+44=0 \)
(B) \( 3 a^{2}-26 a+55=0 \)
\( \mathrm{W} \)
(C) \( 3 a^{2} \cdot 32 a+84=0 \)
(D) \( 3 a^{2} \cdot 34 a+91=0 \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live