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In two dimensional Euclidean space straight lines are either parallel or convergent. If they are parallel, the perpendicular distance between them is constant and if they are convergent, the distance between them increases in one direction and decreases in the other - until they intersect - and then increases.
In 3-dimensional space, there is a third possibility. You can have lines that are neither parallel nor convergent: they are skew. It is simplest to explain with an example.
Imagine you are standing in a cuboid room, facing a wall. Now consider the principal diagonal, running from the left-bottom-back to the right-top-front, and the line where the wall opposite meets the floor. These too lines will never meet but they are not parallel either.
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What is the difference between Dispersion and Skewness?
distinguish between dispersion and skewness
How skewness help in determining relation between different measures of central tendency?
Negative skewness means the average (mean) will be less than the median. Positive skewness means the opposite. I'm not sure if any rule holds for the mode.
If coefficient of skewness equals 0 then what would you say about the skewness of the distribution?
if coefficient of skewness is zero then distribution is symmetric or zero skewed.
What is inclination for two lines to each other?
Parallell * * * * * It is the angle between the two lines.
How does the slope between two parallel lines compare?
The slope between two parallel lines is identical. This is because parallel lines have the same slope and will never intersect. The slope of a line is a measure of its steepness, and when two lines are parallel, they will have the same steepness, resulting in the same slope. Therefore, the slope between two parallel lines will always be equal.
