Chapter One Homework Assignment
1. A _ includes all items of interest in a statistical problem.
Population *
Subset
Pilot Program
Sample
2. Match each type of variable in the left column with its
INTRODUCTION TO PROBABILITY QUIZ I
1. For an experiment in which a single die is rolled, the sample space may be cfw_1, 1, 2,
3, 4, 5.
True
False*
2. Events are exhaustive if they do not share commo
Chapter One Homework Two
1. The interval scale of measurement
Is used to measure certain types of qualitative data
Allows for the use of negative values*
Is a weaker scale of measurement as compare
Introduction to Probability Quiz II
1.
The intersection of events A and B, denoted by
, _.
Contains outcomes that are either in A or B
Contains outcomes that are both in A and B*
Does not contain o
DISCRETE PROBABILITY
1. A random variable is a function that assigns numerical values to the outcomes of
a random experiment.
True*
False
2. A discrete random variable X may assume an (infinitely) u
1. Exhibit 51. Consider the following discrete probability distribution.
Refer to Exhibit 51. What is the probability that X is less than 5?
0.10
0.15
0.36
0.45*
2. Exhibit 55. The number of ho
1. Exhibit 56. The number of cars sold by a car salesman during each of the last 25 weeks is the following:
Refer to Exhibit 56. What is the expected number of cars sold by the salesman during a wee
QUIZ II
1. The median is not always the 50th percentile.
True
False*
2. The MAD is a less effective measure of variation when compared with the average
deviation from the mean.
True
False*
3. Is i
Quiz I
1.
Students in Professor Smith's Business Statistics course have evaluated the overall effectiveness of the
professor's instruction on a fivepoint scale, where a score of 1 indicates very poor
Quiz III
1. Crosssectional data contain values of a characteristic of one subject collected over
time.

True

False*
2. A professor's gender (male, female) as well as rank (assistant, associate, fu