Bstat Chapter 1

_____ refers to describing the important aspects of a set of measurements.

Descriptive statistics

A _____ is a subset of the units in a population.

sample

Which of the following behavior is unethical?

1.Development of misleading graphs. 2.Inappropriate analysis of the data. 3.Biased interpretation of the statistical results.

Which of the following is a quantitative variable?

Mileage of a car

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

Interval

Temperature (in degrees Fahrenheit) is an example of a(n) ________ variable

Interval

The two types of quantitative variables are:

Interval and ratio

A person's telephone area code is an example of a(n) _____________ variable.

Nominative

A(n) ___________________ variable is a qualitative variable such that there is no meaningful ordering or ranking of the categories.

Nominative

. An identification of police officers by rank would represent a(n) ____________ level of measurement

Ordinal

The change in daily price of a stock is what type of variable?

Quantitative

Weights of items obtained using a well-adjusted scale represents a(n) _____________ level of measurement.

Ratio

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

Statistical Inference

Any characteristic of a population unit is a(n):

Variable

Which of the following is a categorical variable?

Whether a Person Has a Traffic Violation

A _____ is an examination of all the units in a population.

census

. A set of existing units we wish to study is called a _____.

population

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

qualitative

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

quantitative

Ratio variables have the following characteristics:

B. An inherently defined zero value