Exam 1: An Introduction to Business Statistics

A sequence of operations that takes inputs and turns them into outputs is a _____.

The process of assigning a value of a variable to each unit in a population or sample is called _____.

A _____ variable can have values that indicate into which of several segments of a population it belongs.

If we sample without replacement,we do not place the unit chosen on a particular selection back into the population.

In studying processes,we are interested in examining a characteristic that tells us about the _____ of output.

A consumer's yes/no reply to a survey question is what type of variable?

Any characteristic of a population is called a _____.

A population is a set of existing units.

______ is a type of sampling method.

A random sample is selected so that on each selection from the population every unit remaining in the population has an equal chance of being chosen.

_____ is the difference between a numerical description of the population and the corresponding description of the sample.

In situations when it is not possible to number all of the units in a population,we often use a _____ sample to approximate a random sample.

______________ is the science of using a sample to make generalizations about the important aspects of a population.

A list of all of the units in a population is called _____.

A _____ is used to help select items for a random sample.

College entrance exam scores,such as SAT scores,are an example of a(n)________________ variable.

Which one of the following sampling examples would generally lead to the least reliable statistical inferences about the population from which the sample has been selected?

Which of the following is a quantitative variable?

__________ is a necessary component of a runs plot.

A _____ variable can have values that are numbers on the real number line.