Chapter 15
COMPLETION
1. Because the t and F procedures require the distributional assumption of normality, they are not _ procedures.
ANS: distribution free
PTS: 1
2. Because the t and F procedures are based on a particular parametric family of distribut
Chapter 14
COMPLETION
1. A _ generalizes a binomial experiment by allowing each trial to result in one of k possible outcomes
(categories), where k > 2.
ANS: multinomial experiment
PTS: 1
2. The chi-squared distribution has a single parameter
, called the
rChapter 16
COMPLETION
1. _ are now used extensively in industry as diagnostic techniques for monitoring production processes to identify instability and unusual circumstances.
ANS: Control charts
PTS: 1
2. Sources of variation that may have a pernicious
Chapter 11
COMPLETION
1. In two-factor ANOVA, when factor A consists of I levels and factor B consists of J levels, there are _
different combinations (pairs) of levels of the two factors, each called a _.
ANS: IJ, treatment
PTS: 1
2. Assume the existence
Chapter 9
COMPLETION
1. Let
be
a
random
sample
from
a
population
with
be a random sample with mean
and Y samples are independent of one another. The expected value of
viation of
mean
and that the X
is _ and the standard de-
= _.
ANS:
PTS: 1
2. Let
be
a
ra
Chapter 8 Tests of Hypotheses Based on a Single Sample
COMPLETION
1. In many situations, the alternative hypothesis is referred to as the _ hypothesis, since it is the state ment the researcher would really like to validate.
ANS: research
PTS: 1
2. The _
Chapter 7 - Statistical Intervals Based on a Single Sample
COMPLETION
1. The formula used to construct a 95% confidence interval for the mean
of the standard deviation
of a normal population when the value
is known is given by _.
ANS:
PTS: 1
2. If the ran
Chapter 6 Point Estimation
COMPLETION
1. The objective of _ is to select a single number such as
, based on sample data, that represents a
sensible value (good guess) for the true value of the population parameter, such as
.
ANS: point estimation
PTS: 1
2
Chapter 4 - Continuous Random Variables and Probability Distributions
SHORT ANSWER
1. Let X denote the amount of time for which a book on 2-hour reserve at a college-library is checked out by a randomly selected student and suppose that X
Calculate the fo
Chapter 10
SHORT ANSWER
1. The simplest ANOVA problem is referred to variously as a single-factor, single-classification, or _
ANOVA.
ANS:
one-way
PTS: 1
2. In a single-factor ANOVA, the characteristic that differentiates the treatments or populations fro
Chapter 5 - Joint Probability Distributions and Random Samples
SHORT ANSWER
1. Each front tire on a particular type of vehicle is supposed to be filled to a pressure of 26 psi. Suppose the actual
air pressure in each tire is a random variableX for the rig
CHAPTER 2 - Probability
SHORT ANSWER
1. Suppose that vehicles taking a particular freeway exit can turn right (R), turn left (L), or go straight (S). Consider
observing the direction for each of three successive vehicles.
a.
b.
c.
d.
List all outcomes in
CHAPTER 3 - Discrete Random Variables and Probability Distributions
SHORT ANSWER
1. Three automobiles are selected at random, and each is categorized as having a diesel (S) or nondiesel (F) engine
(so outcomes are SSS, SSF, etc.). If X = the number of car
Chapter 1 Overview and Descriptive Statistics
SHORT ANSWER
1. Give one possible sample of size 4 from each of the following populations:
a. All daily newspapers published in the United States
b. All companies listed on the New York Stock Exchange
c. All s