1
Descriptive Statistics
Homework No. 1
2
WHAT IS STATISTICS?
Name: _Denese Sindon_ Section: _
Score_
Part I Classify the following sets of data as qualitative or quantitative.
_ quantitative _ 1.
The height of each member of a basketball team
_ qualitati
To: Dr. Brian Perryman
From: Kathryn Gadeken
Date: 09/04/2016
Recommendations regarding Kenworth Motors
1. He had very little information as to what would be discussed in the meeting so he took
the time to try and base an opinion with Robert Denton by a b
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Career Management Skills
Decision Making
Methods - Models - Force Field Analysis
Write in the central column the issue about which you want to make a decision. Remember
to be as specific as possible and that you are deciding on one issue, not many. Write
45’ Hi é 7:57
Summer 2015
Math Review Problems
17
Last Name_
First Name_
Part I: For each of the following write the correct answer on the blank space.
1. Suppose a sample random sample of size n is drawn from ilarge population with mean II
and standard d
4.2 # 1-9 and 11, 15, 17, 18, 19, 21
1.
2.
3.
4.
5.
6.
7.
8.
9. ABC
a. SeeAside
b. y=y =0.7136x + 6.5498
c. SeeAside
10. N/A
11. ABCDEFGH
a. SeeAside
b. Usingpoints(3,4)&(8,14):y=2x2
c. SeeAside
d. y=2.023x2.325
e. Seeaside
f. Sumofsquaredresidualssquared
Chapter 1The Art and Science of Economic Analysis
MULTIPLE CHOICE
1. Economics is best defined as the study of how individuals decide to use limited resources in an attempt
to satisfy unlimited wants.
a. True
b. False
ANS: A
PTS: 1
DIF: Easy
NAT: Analytic
CHAPTER CHECKLIST When you have completed your study of this chapter, you will be able to
1
Define economics, distinguish between microeconomics and macroeconomics, and explain the questions of microeconomics. Describe the work of economists as social sci
CHAPTER CHECKLIST When you have completed your study of this chapter, you will be able to
1
Distinguish between quantity demanded and demand and explain what determines demand. Distinguish between quantity supplied and supply and explain what determines s
CHAPTER CHECKLIST When you have completed your study of this chapter, you will be able to
1
Use the production possibilities frontier to illustrate the economic problem. Calculate opportunity cost. Define efficiency and describe an efficient use of resour
CHAPTER CHECKLIST When you have completed your study of this chapter, you will be able to
1
Describe what, how, and for whom goods and services are produced in the United States. Use the circular flow model to provide a picture of how households, firms, a
Quiz 14.1B
AP Statistics
Name:
There is some evidence that drinking moderate amounts of wine helps prevent heart attacks. The table gives data on yearly wine consumption (liters of alcohol from drinking wine, per person), and yearly deaths from heart dise
QUIZ 13.1B
AP Statistics
Name:
The Advanced Placement (AP) Statistics examination was first administered in May 1997. Students papers are graded on a scale of 15, with 5 being the highest score. Over 7,600 students took the exam in the first year, and the
Quiz 12.2B
AP Statistics
Name:
A study of chromosome abnormalities and criminality examined data from 4,124 males born in Copenhagen. Each man was classified as having a criminal record or not, using the registers maintained in the local police offices. E
Quiz 12.1B
AP Statistics
Name:
LeRoy, a starting player for a major college basketball team, made only 40% of his free throws last season. During the summer, he worked on developing a softer shot in hopes of improving his free throw accuracy. In the first
Quiz 11.2B
AP Statistics
Name:
In a study of heart surgery, one issue was the effect of drugs called beta-blockers on the pulse rate of patients during surgery. The available subjects were divided at random into two groups of 30 patients each. One group r
Quiz 11.1B
AP Statistics
Name:
The composition of the earths atmosphere may have changed over time. One attempt to discover the nature of the atmosphere long ago studies the gas trapped in bubbles inside ancient amber. Amber is tree resin that has hardene
Quiz 10.4B
AP Statistics
Name:
Many homeowners buy detectors to check for the invisible gas radon in their homes. We want to determine the accuracy of these detectors. To answer this question, university researchers placed 12 radon detectors in a chamber
Quiz 10.3B
AP Statistics
Name:
A study of the pay of corporate chief executive officers (CEOs) examined the increase in cash compensation of the CEOs of 104 companies, adjusted for inflation, in a recent year. The mean increase in real compensation was x
Quiz 10.2B
AP Statistics
Name:
Statistics can help decide the authorship of literary works. Sonnets by an Elizabethan poet are known to contain an average of = 6.9 new words (words not used in the poets other works). The standard deviation of the number o
Quiz 10.1B
AP Statistics
Name:
Suppose your class is investigating the weights of Snickers 1-ounce fun-size candy bars to see if customers are getting full value for their money. Assume that the weights are normally distributed with standard deviation = .
Quiz 9.3B
AP Statistics
Name:
The scores of students on the ACT college entrance examination in a recent year had the normal distribution with mean = 20.4 and standard deviation = 5.8. 1. What is the probability that a randomly chosen student scored 24 or
Quiz 9.2B
AP Statistics
Name:
Suppose you are going to roll a fair six-sided die 60 times and record p , the proportion of times that a 1 or a 2 is showing. 1. Where should the distribution of the 60 p -values be centered? Justify your answer.
2. What i
Quiz 9.1B
AP Statistics
Name:
In items 13, classify each underlined number as a parameter or statistic. Give the appropriate notation for each. 1. Forty-two percent of todays 15-year-old girls will get pregnant in their teens.
2. A 1993 survey conducted b
Quiz 8.2B
AP Statistics
Name:
There is a probability of 0.08 that a vaccine will cause a certain side effect. Suppose that a number of patients are inoculated with the vaccine. We are interested in the number of patients vaccinated until the first side ef
Quiz 8.1B
AP Statistics
Name:
In problems 1 and 2, indicate whether a binomial distribution is a reasonable probability model for the random variable X. Give your reasons in each case. 1. The pool of potential jurors for a murder case contains 100 persons
Quiz 7.2B
AP Statistics
Name:
A distribution of grades in an introductory statistics class (where A = 4, B = 3, etc.) is:
X p(X) 0 .10 1 .15 2 .30 3 .30 4 .15
1. A graduate student needs at least a B to get credit for the course. What are her chances of g