What is 3:00 AM in Spanish?
2 answers:
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Answer: σ: 2.76
Step-by-step explanation:
Count, N: 5
Sum, Σx: 125
Mean, μ: 25
Variance, σ2: 7.6
Steps
look at attached pic for formula
σ^2 =
⇒
⇒ 7.6
σ =
⇒ 2.756809750418
⇒ or 2.76
Solution
1) Simplify
<span> to </span>
<span>−2= </span>
+ 
2) Simplify + <span>to <span>914</span>
</span> <span>−2= </span>
3) <span>Add 2 to both sides
</span> = <span>+2
</span>
4) Simplify
<span><span>+2</span> to </span>
=
5) <span>Multiply both sides by 7
</span><span>4y= </span> <span>×7
</span>
6) Simplify <span><span>×7</span> to </span>
=
7) Simplify<span> to </span>
=
8) <span>Divide both sides by 4
</span>y= <span>×4
</span>
9) <span>Simplify <span>2×4</span> to 8
</span><span>y=</span>
<span><span>
Hope this helps
</span></span>
1) Simplify
2) Simplify
</span>
3) <span>Add 2 to both sides
</span>
</span>
4) Simplify
5) <span>Multiply both sides by 7
</span><span>4y= </span>
</span>
6) Simplify
7) Simplify
8) <span>Divide both sides by 4
</span>y=
</span>
9) <span>Simplify <span>2×4</span> to 8
</span><span>y=</span>
<span><span>
Hope this helps
</span></span>