alexiss7026
18.08.2019 •
Mathematics
Is the mean and mean deviation the same❓❔
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Ответ:
The mean is the quotient of the sum of a set of values and the number of these values.
The mean deviation is the mean of the absolute deviations of a set of values. And the absolute deviation is the absolute value of the difference of a value and its mean.
Symbolically:
Mean:
Mean deviation:
Ответ:
Step-by-step explanation:
Use the Pythagorean theorem:
a² + b² = c²Verify this for each line:
1.
28² + 45² = 53²2809 = 2809Yes2.
33² + 56² = 64²4225 ≠ 4096No3.
36² + 77² = 85²7225 = 7225Yes