When we say that a distribution is symmetric, the meaning is a distribution in which the left and right sides mirror each other.
A symmetrical distribution occurs when the values of variables appear at regular frequencies and often the mean, median, and mode all occur at the same point
If we draw a line through the center of the graph the left side will be the mirror image of right side
In symmetrical distribution, the mean, median and mode will be equal.
In skewed distributions, one tail of the distribution considerably longer or drawn out relative to the other tail.
A skewed right distribution is one in which the tail is on the right side.
A skewed left distribution is one in which the tail is on the left side.
Hence, When we say that a distribution is symmetric, the meaning is a distribution in which the left and right sides mirror each other.
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