stats 215 finalThe set of measurements collected for a particular element is called a/an
Fifteen percent of the students in a school of Business Administration are majoring in Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) which can be used to present these data is (are)
both a pie chart and a bar graph
Arithmetic operations are inappropriate for
categorical data
In a post office, the mailboxes are numbered from 1 to 4,500. These numbers represent
categorical data
All the data collected in a particular study are referred to as the
data set
The relative frequency of a class is computed by
dividing the frequency of the class by the total number of elements
The sample size
is always smaller than the population size
Cost of a theater ticket is an example of
quantitative data
In a cumulative frequency distribution, the last class will always have a cumulative frequency equal to
the total number of elements in the data set.
Data collected over several time periods are _____ data.
time series
A histogram is
a graphical presentation of a frequency or relative frequency distribution.
In experimental studies, the variable of interest
is controlled
In observational studies, the variable of interest
is not controlled
Categorical data
may be either numeric or nonnumeric.
A frequency distribution is a tabular summary of data showing the _____ of items in several classes.
number
The number of observations will always be the same as the
number of elements
The set of measurements collected for a particular element is called a/an
observation