Answer:
the mean of -500, 0, 400, 700. The mean is the sum divided by 4: 600/4=150.
The variance (variation) is obtained by averaging the sum the squares of the differences between these and the mean:
(650^2+150^2+250^2+550^2)/4=202500. The standard deviation is the square root of this=450.
Step-by-step explanation:
sana maka tulong po yung sagot ko
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Answer:
the mean of -500, 0, 400, 700. The mean is the sum divided by 4: 600/4=150.
The variance (variation) is obtained by averaging the sum the squares of the differences between these and the mean:
(650^2+150^2+250^2+550^2)/4=202500. The standard deviation is the square root of this=450.
Step-by-step explanation:
sana maka tulong po yung sagot ko