Which one of these variables is a continuous random variable?

What is the median of the following 5 numbers? 10, 2, 4, 3, 1

Suppose E and F are mutually exclusive events in a sample space S with probabilities .4 and .3 respectively. What is the probability of their union?

The probability of a discrete value in a continuous distribution is equal to __?

Suppose c is a constant number. Calculate var(c).

What is the first moment of distribution?

When a person conducts analysis using data he or she has not collected, the source of such data is called:

There are two ways to present categorical data. One is by way of graphs, the other is by way of .... .

The _____ is a useful tool for assessing whether the means of two groups of variable are statistically different from each other.

When a researcher doesn't know much about a certain problem and wants to gain more information about it, which research design will he use?

Arranging your target population in an ordered scheme from which participants or items are chosen at regular intervals is an example of: