business stat chapter 1

Which of the following behavior is unethical? A. Development of misleading graphs. B. Inappropriate analysis of the data. C. Biased interpretation of the statistical results. D. All of the above.

D

A _____ variable can have values that indicate into which of several segments of a population it belongs. A. qualitative B. quantitative C. ratio D. interval

A

A person's telephone area code is an example of a(n) _____________ variable. A. Nominative B. Ordinal C. Interval D. Ratio

A

______________ is the science of using a sample to make generalizations about the important aspects of a population. A. Statistical Process Control B. Descriptive Statistics C. Random sample D. Statistical Inference

D

A _____ variable can have values that are numbers on the real number line. A. qualitative B. quantitative C. random D. nominative

B

An identification of police officers by rank would represent a(n) ____________ level of measurement. A. Nominative B. Ordinal C. Interval D. Ratio

B

Weights of items obtained using a well-adjusted scale represents a(n) _____________ level of measurement. A. Nominative B. Ordinal C. Interval D. Ratio

D

Ratio variables have the following characteristics: A. Meaningful order B. An inherently defined zero value C. Categorical in nature D. Predictable

B

A _____ is a subset of the units in a population. A. census B. frame C. sample D. variable

C

A(n) ___________________ variable is a qualitative variable such that there is no meaningful ordering or ranking of the categories. A. Ratio B. Ordinal C. Nominative D. Interval

C

Temperature (in degrees Fahrenheit) is an example of a(n) ________ variable. A. Nominative B. Ordinal C. Interval D. Ratio

C

Which of the following is a quantitative variable? A. The make of a TV B. A person's gender C. Mileage of a car D. Whether a person is a college graduate E. Whether a person has a charge account

C

_____ refers to describing the important aspects of a set of measurements. A. Statistical Process Control B. Runs plot C. Descriptive statistics D. Times Series plot

C

A _____ is an examination of all the units in a population. A. random sampling with replacement B. random sampling without replacement C. statistical inference D. census

D

A set of existing units we wish to study is called a _____. A. sample B. frame C. census D. population

D

Any characteristic of a population unit is a(n): A. Measurement B. Sample C. Observation D. Variable

D

College entrance exam scores, such as SAT scores, are an example of a(n) ________________ variable. A. Ordinal B. Ratio C. Nominative D. Interval

D

The change in daily price of a stock is what type of variable? A. Qualitative B. Ordinal C. Random D. Quantitative

D

The two types of quantitative variables are: A. Ordinal and ratio B. Interval and ordinal C. Nominative and ordinal D. Interval and ratio E. Nominative and interval

D

Which of the following is a categorical variable? A. Air Temperature B. Bank Account Balance C. Daily Sales in a Store D. Whether a Person Has a Traffic Violation E. Value of Company Stock

D