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