To find the solution we will first find the difference between each number and mean, and then substitute the value in the formula of standard deviation.
The standard deviation is 8.4477 and the variance is 71.40.
Given to us
- Test scores of Adimas = (76, 87, 65, 88, 67, 84, 77, 82, 91, 85, 90)
- Mean = 81
<h3>Standard Deviation</h3>
difference between each number and mean,


= 25 + 36 + 256 + 49 + 196 + 9 + 16 + 1 + 100 +16 + 81
= 785


<h3>Variance</h3>
Variance = 
= 71.40
Hence, the standard deviation is 8.4477 and the variance is 71.40.
Learn more about Standard Deviation:
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Answer:
The worth of the bond will be $5000 in 6 month
Step-by-step explanation:
Answer:
Three squares that form right triangle:
A, E and C
Step-by-step explanation:
Area of E = 1^2 = 1
Area of A = 2.4^2 = 5.76
Area of C = 2.6^2 = 6.76
Area A + Area E = Area C
Answer:
<u>f(2) = 2</u>
Step-by-step explanation:
We will use the second equation, since <u>2 > </u><u>0</u><u>.</u>