If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be________?

V=x^3, then the shape is

You asked five of your classmates about their height. On the basis of this information, you states the average height of all student in your university or college is 67 inches. This is an example of________?

In a normal distribution quartile deviation is ________ (S.D.)?

To cut a population into three classes is called________?

The probability of getting exactly three tails when three balanced coins are tossed once ________?