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I am so confused how to solve this because of the (1) and the (2)

I Am So Confused How To Solve This Because Of The 1 And The 2 class=

Answer :

SOLUTION

The formula required is:

[tex]d=\frac{M-\mu}{\sigma}[/tex]

From the given values, it follows:

[tex]\begin{gathered} d=\frac{14-12}{4} \\ d=\frac{2}{4} \\ d=0.5 \end{gathered}[/tex]

Therefore the required answer is d=0.5

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