The following information regarding the top eight Fortune 500 companies was presented in an
issue of Fortune Magazine.
A population is a set of existing units.
If we examine some of the population measurements, we are conducting a census
of the population.
A census is defined as examining all of the population measurements.
A random sample is selected so that
The following table shows the starting salaries of a sample of recent business graduates.
Income (In $1,000s)
Number of Graduates
15 - 19 40
20 - 24 60
25 - 29 80
30 - 34 18
35 - 39 2
What percentage of graduates in the sample had starting salaries of
The following data shows the yearly income distribution of a sample of 200 employees at MNM,
20 - 24 2
25 - 29 48
30 - 34 60
35 - 39 80
40 - 44 10
What percentage of employees has yearly incomes of $3
After graduation ceremonies at a university, six graduates were asked whether they were in favor
of (identified by 1) or against (identified by 0) abortion. Some information about these graduates is
Abortion Issue Class Rank
A recent issue of a national magazine reported that in a national public opinion survey conducted
among 2,000 individuals, 56% were in favor of gun control, 40% opposed gun control, and 4% had
no opinion on the subject.
What is the sample in this surve
The following shows the temperatures (high, low) and weather conditions in a given Sunday for
some selected world cities. For the weather conditions, the following notations are used: c = clear;
cl = cloudy; sh = showers; pc = partly cloudy.
In many universities, students evaluate their professors by means of answering a questionnaire.
Assume a questionnaire is distributed to a class of 45 students. Students are asked to answer the
2. Race (Black, White, Other)
The following information regarding a sample of seven students is provided.
Identification number Grade Point Average
Inc., a manufacturer of electric guitars, is a small firm with 50 employees. The table below shows
the hourly wage distribution of the employees.
Hourly Wages (In Dollars)
Number of Employees
10 - 13 8
14 - 17 12
18 - 21 20
22 - 25 10
How many employee
The following information regarding the ten richest Americans was reported in a recent issue of
Ellison, L. J.
Which of the following was created in an effort to promote free trade?
A) World Trade Organization
B) the Sarbanes-Oxley Act
C) multilateral development banks
D) the Organization for Economic Cooperation and Development
) Which one of the following is an
_ is the science of using a sample to make generalizations
about the important aspects of a population.
A. Time series
By definition, a time series is a study of data over time
The manager's statement that 40% of Daisy City's 2,000 homes are in violation of city codes is
an exactly correct statement
only an approximation, since it is based upon sample information
obviously wrong, since it is based upon a study of only 2
The average age in a sample of 190 students at City College is 22. As a result of this sample, it can
be concluded that the average age of all the students at City College
must be more than 22, since the population is always larger than the sample
Since a sample is a subset of the population, the sample mean
is always smaller than the mean of the population
is always larger than the mean of the population
must be equal to the mean of the population
can be larger, smaller, or equal to th
The highway patrol is interested in determining the average speed of automobiles traveling on I-75
between Chattanooga and Atlanta. To accomplish this task, the speed of every tenth car passing a
particular point on I-75 is recorded.
What is the popula
The following table shows the age distribution of a sample of 180 students at a local college.
AGE DISTRIBUTION OF
180 STUDENTS AT A LOCAL COLLEGE
Age of Students
Number of Students
15 - 19 36
20 - 24 44
25 - 29 60
30 - 34 38
35 - 39
The following national weather report gives the temperatures and weather conditions on the previous
day in cities across the nation.
What is the name of the international organization that fosters monetary and financial
cooperation and serves as a bank for central banks?
C) World Bank
D) Bank for International Settlements
Which of the following are institutional banks that