Computer Assignment #1
1. a. What is the value of the mean? b. Was the mean affected by extreme scores? Justify
your answer based on MINTAB data generated.
The value of the mean is 127.5. The mean was affected by extreme values which we can
see by looking
Students Solutions Manual and Study Guide: Chapter 9 Page 1
SOLUTIONS TO THE ODD-NUMBERED PROBLEMS IN CHAPTER 9
9.1 a) Two-Tailed
b) One-Tailed
c) One-Tailed
d) Two-Tailed
9.3 a) H0: y = 25
Ha:,u25 E=28.1 n=57 0:8.46 0c .01
For two-tail, 002 = .005 20 = 2
Students Solutions Manual and Study Guide: Chapter 7 Page 1
SOLUTIONS TO THE ODD-NUMBERED PROBLEMS IN CHAPTER 7
7.1 a)
b)
7.5 a)
i1.
i1.
ii.
i1.
ii.
A union membership list for the company.
A list of all employees of the company.
White pages of the teleph
Students Solutions Manual and Study Guide: Chapter 14 Page 1
SOLUTIONS TO THE ODD-NUMBERED PROBLEMS IN CHAPTER 14
14.1
14.3
Simple Regression Model:
9 = - 147.27 + 27.128 x
F = 229.67 with p = .000, s6 = 27.27, R2 = .97, adjusted R2 = .966, and
t: 15.15 w
1. Using Excel, SPSS or any other software package of your choice, analyze the data in problem 3.40 on
generate descriptive statistics and a histogram on the age. The descriptive statistics should at minimum in
range, variance, standard deviation, measure
Assignment: Multiple Choice Question Homework Assignment #3
Question 1
Page 1 of 11
1. In hypothesis testing, the hypothesis tentatively assumed to be true is
Correct
1 points out of 1
Select one:
a. the alternative hypothesis
b. the null hypothesis
c. ei
Assignment: Multiple Choice Question Homework Assignment #4
Started on
State
Completed on
Time taken
Question 1
Incorrect
0 points out of 1
Page 1 of 9
Monday, August 1, 2016, 6:42 PM
Finished
Monday, August 1, 2016, 6:58 PM
15 mins 31 secs
1. To compute
CHAPTERTWO
ChartsandGraphs
27
ChartsandGraphs
C
1.
Afinancialanalysthasrandomlyselected200companiesfromthosetradedonthe
NYSE.Attheendofeachtradingday,theanalystrecordstheclosingpricefor
eachofthe200companies.These200measurementsareanexampleof
_.
E
Term
C
CHAPTERFIVE
DiscreteDistributions
141
C
1.
Discrete Distributions
Variables which take on values only at certain points over a given
interval are called _.
E
Term
A.
B.
C.
D.
B
A variable that can take on values at any point over a given
interval is calle
CHAPTERTHREE
DescriptiveStatistics
69
C
1.
Descriptive Statistics 70
Statistical measures used to yield information about the middle
of a group of numbers are called _.
E
Term
A. averages
B. measures of variability
C. measures of central tendency
D. Z sco
CHAPTER TEN
Statistical Inferences about Two Populations
303
HypothesisTesting:LargeSamples
D
1.
M
BApp
Restaurateur Denny Valentine is evaluating two sites, Raymondville and
Rosenberg, for his next restaurant. Prevailing images of the two suburbs imply
t
File: Ch14, Chapter 14: Advanced Multiple Regression Analysis
True/False
1. Regression models in which the highest power of any predictor variable is 1 and in which
there are no cross product terms are referred to as first-order models.
Ans: True
Response
CHAPTERONE
IntroductiontoStatistics
1
IntroductiontoStatistics2
D
1.
The complete collection of all entities under study is called the
_.
E
Term
A.
B.
C.
D.
B
A portion (subset) of the entities under study is called the
_.
2.
E
Term
A.
B.
C.
D.
sample
par
CHAPTERSIX
ContinuousDistributions
173
D
Continuous Distributions
1. Which of the following is NOT a continuous distribution?
E
Term
A.
B.
C.
D.
D
The uniform distribution is _.
2.
E
Term
A.
B.
C.
D.
normal distribution
exponential distribution
uniform di
CHAPTER NINE
Statistical Inference:
Hypothesis Testing for Single Populations
265
B
1.
Hypothesis Testing: Large Samples
Hypothesis testing is derived from the mathematical notion of
_.
M
Term
A.
B.
C.
D.
C
The first step in testing a hypothesis is to est
CHAPTERSEVEN
SamplingandSamplingDistributions
203
Sampling, Sampling Distributions, and Quality Control
B 1. Saving time and money are reasons to take a _
rather than a census.
E
Term
A.
B.
C.
D.
D
Which of the following is NOT a reason for using a sample