The mean is the sum of all 12 numbers divided by 12, which is 578.25 ~ 578.3. The variance is calculated by subtracting each score from the mean, squaring, and adding all such squares. Then divide by the number of terms (12) to get 68572.35. Take the square root to get the standard deviation, which is 261.9. So the correct answer is B.
Answer:
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Step-by-step explanation:
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10
. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
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<em>Finito </em>:D
If i’m correct it’s your scratch account! about you is that you speak spanish, love good old music, horses and farm life, etc.
Answer: Equation : 7x -3 = markers left
Step-by-step explanation: x represents the number of markers in each box
so 7 times the number of markers in each box is the total you started with, subtract three and then you the markers that are left
