Random variables and statistics

What is the first quartile of the data set: 1, 7, 7, 5, 7?

The values of discrete random variable can be:

For a normal distribution, almost all values lie within ___ standard deviation(s) of the mean.

Branch of mathematics with uncertainty, measuring uncertainty is...

It is a function whose elements are the numbers assigned to the outcomes of an experiment

What do you call the set of all people, objects, events, or ideas researchers want to investigate?

Which of these is NOT continuous data?

Which function means something different from all the rest?

Which of the following data shows most likely the smallest possible variance?

If you want to calculate P(X>4) for a random variable from exponential distribution, you should write in the R program

How many possible outcome(s) has an object from random variable of binomial distribution?

A random variable that describes the number of tails that are thrown after tossing a coin five times is an example of