Chapter 1
What is Statistics?
True/False
1. A population is a collection of all individuals, objects, or measurements of interest.
2. A sample is a portion or part of the population of interest.
3. To
Cortana for Windows
10
IT Showcase Productivity
Guide
Published September 2015
Summary: Cortana is your personal digital assistant in Windows
10. She gets to know you and helps you get things done, le
HOMEWORK # 1
Student name
Student ID
Grader name
Grader ID
Part I
Section
Score
Classify the following sets of data as qualitative or quantitative.
1. The religious affiliations of college students
2.
HOMEWORK # 2
Student name
Student ID
Grader name
Grader ID
Part I
Section
Score
Select the correct answer for the following questions:
1.
A grouping of data into classes giving the number of observati
Chapter 7
Continuous Probability Distributions
Multiple Choice
38. The mean of any uniform probability distribution is
A) (b - a)/2
B) (a + b)/2
C) x/
D) n
Answer: B
44. Which of the following is NOT
Chapter 15
Index Numbers
Multiple Choice
Use the following to answer questions 68-78:
Data for selected vegetables purchased at wholesale prices for 1995 and 2007 are shown below.
68. What is the unwe
Chapter 13
Linear Regression and Correlation
Multiple Choice
Use the following to answer questions 133-138:
Given the following five points: (2,0), (1,0), (0,1), (1,1), and (2,3).
133. What is the slo
Chapter 9
Estimation and Confidence Intervals
30. A random sample of 85 group leaders, supervisors, and similar personnel revealed that a person spent
an average 6.5 years on the job before being prom
Chapter 8
Sampling Methods and the Central Limit Theorem
41. An experiment involves selecting a random sample of 256 middle managers at random for study.
The sample mean of the annual income is comput
Chapter 5
A Survey of Probability Concepts
True/False
1. Based on a classical approach, the probability of an event is defined as the number of favorable
outcomes divided by the total number of possib
Chapter 6
Discrete Probability Distributions
40. From recent experience, 5 percent of the computer keyboards produced by an automatic, high-speed
machine are defective. What is the probability that ou