the angle the theoretical incident ray makes with the final refracted ray
The mean.The mean.The mean.The mean.
The cumulative probability up to the mean plus 1 standard deviation for a Normal distribution - not any distribution - is 84%. The reference is any table (or on-line version) of z-scores for the standard normal distribution.
What is mean deviation and why is quartile deviation better than mean deviation?
None.The mean of a single number is itself.Therefore deviation from the mean = 0Therefore absolute deviation = 0Therefore mean absolute deviation = 0None.The mean of a single number is itself.Therefore deviation from the mean = 0Therefore absolute deviation = 0Therefore mean absolute deviation = 0None.The mean of a single number is itself.Therefore deviation from the mean = 0Therefore absolute deviation = 0Therefore mean absolute deviation = 0None.The mean of a single number is itself.Therefore deviation from the mean = 0Therefore absolute deviation = 0Therefore mean absolute deviation = 0
No. The mean deviation is 0. Always.
The mean average deviation is the same as the mean deviation (or the average deviation) and they are, by definition, 0.
mean deviation =(4/5)quartile deviation
Information is not sufficient to find mean deviation and standard deviation.
There is no statistical term such as "deviation mean".
A reference angle is the acute angle formed by the terminal side of an angle and the x-axis in standard position. It is always measured as a positive angle and is typically between 0 and 90 degrees. Reference angles are useful in trigonometry for simplifying calculations and understanding the properties of angles in different quadrants. For any angle θ, the reference angle can be found using specific formulas depending on the quadrant in which θ lies.
Mean deviation is NEVER used.
The mean deviation from the median is equal to the mean minus the median.