Standard Deviation, σ: 1.5
Count, N: 10
Sum, Σx: 15
Mean, μ: 1.5
Variance, σ2: 2.25
Steps
σ2 =
Σ(xi - μ)2
N
=
(0 - 1.5)2 + ... + (5 - 1.5)2
10
=
22.5
10
= 2.25
σ = √2.25
= 1.5
<span>2x - 5b + 5x
<em>Arrange all the like terms together</em>
</span>2x + 5x - 5b
<span>
<em>Combine all like terms</em>
7x - 5b</span>
Answer:
$9.70
Step-by-step explanation:
Please mark brainliest.
I strongly believe that this is the answer B X=18.5 ,Y12.2