Test I 1A
Part I
1. c Null hypothesis should refer to the distribution of the population, not observed values. In
this setting, the null is that all avors have equal popularity, so the proportion preferred is
the same for each avor.
2. 1) Statement I
1. A
simple random sample of five female basketball players is selected. Their heights (in
cm) are 170, 175, 170, 183, and 177. What is the standard error of the mean of these
height measurements?
A) 2.429 B) 2.837 C) 5.075 D) 5.675
2. A
simple random sam
AP Statistics
Hypothesis Testing
Chapter 9
Name_ Hr_
Intro to Significance Tests
For the following pairs, indicate whether they are legitimate hypotheses and why.
1.
2.
3.
4.
For each situation, state the null and alternate hypothesis. (Define your parame
Chapter 11: Inference for Distributions
1. The weights of three adult males are (in pounds) 160, 215, and 195. The standard error
of the mean of these three weights is
A) 190. B) 27.84. C) 22.73. D) 16.07.
Ans: D
Section: 11.1 Inference for the Mean of a
Chapter 10 Review
MULTIPLE CHOICE
1. Find the expected value of the cell marked with the * in the following 3x2 table (the bold
face values are the marginal totals):
Observation
19
Observation
*
31
Observation
Observation
27
45
A. 74.60
D. 19.65
Observati
AP Statistics - Chapter 11 Test
Short Answer
1. A grocery store sells four different sizes of a popular brand of corn flakes. For the past few years the proportion of
boxes they sell of each size has been quite stable: 10% Small, 15% Medium, 60% Large, an
Chapter 8-10 Review
Multiple Choice: Identify the choice that best completes the statement or answers the question.
Scenario 10-6
Child within three years?
YES
NO
Divorced within five
YES
83
52
years?
NO
137
128
Total
220
180
A sociologist hypothesizes th
Recreational Sports Management
Part I
Chapter 5 Career Implications
Professionalism
Professionalism:
Important for individual and leadership system as
well.
Professionalism
Professional Basics:
World Effect:
There are 3 basic
A profession delivers someth
Chapter Twelve
Network Security
Data Communications and Computer
Networks: A Business Users Approach
Seventh Edition
After reading this chapter,
you should be able to:
Recognize the basic forms of system attacks
Recognize the concepts underlying physica
5.1 The Sampling Distribution
of a Sample Mean
Population distribution vs. sampling distribution
The mean and standard deviation of the sample mean
Sampling distribution of a sample mean
Central limit theorem
1
Parameters and Statistics
As we begin to
Probability: The Study of
Randomness
4.1 Randomness
4.2 Probability Models
4.3 Random Variables
4.4 Means and Variances of Random Variables
4.5 General Probability Rules*
1
4.1 Randomness
The language of probability
Thinking about randomness
The uses o
Chapter 6. Two-Way Tables
1
Chapter 6. Two-Way Tables
Note. This chapter deals with comparing two categorical
variables.
Denition. A two-way table of counts organizes data
about two categorical variables. Values of the row variable
label the rows that run
Chapter 7: Solow Model I
1
1
The Solow-Swan Model
1.1
Per-worker Quantities
Cobb-Douglas production function:
Output per worker:
worker:
i
y
Y = F (K, L) = K L1
Y
L ; capital per worker:
k
I
L.
Y
K
= ( ) y = k
L
L
Y = K L1
C = (1 s)Y
C
Y
= (1 s)
c =
Chapter 14: Inference for Regression
5. A 95% condence interval for the slope )8; in the simple linear regression model is
(approximately)
B) 7,897,179 :e 6,047,564.
Ans: D I
Section: 14.1 Inference about the Model
D) 4,139,198 a 3,396,742.
6. The correl
CHAPTER
14
Analysis of
Categorical Data
14.1 A Description of the Experiment
14.2 The Chi-Square Test
14.3 A Test of a Hypothesis Concerning Specied Cell Probabilities:
A Goodness-of-Fit Test
14.4 Contingency Tables
14.5 r c Tables with Fixed Row or Colum
CHAPTER 14 REVIEW
1. The regression equation for predicting grade point average from number of hours studied is
determined to be GPA = 1.95 + (0.05) (Hours). Interpret the slope of the regression line.
ANS:
For each additional hour studied, the GPA is pre
Chapter One
Introduction to Computer Networks and
Data Communications
Data Communications and Computer
Networks: A Business User's Approach
Seventh Edition
After reading this chapter,
you should be able to:
Define the basic terminology of computer
networ
Chapter 6
Study Questions
)1
()a the wage offer that will end a laborstrike.
()b the lowest wage firms are allowed by
law to pay workers.
()c the wage that ensures a laid-off
individual will wait for re-hire, rather
than find another job.
()d the wage tha
Recreational Sports
Management
Part II
Chapter 8 Intramural and
Extramural Sport
Intramural and Extramural
Sport
Intramural and Extramural Sport:
Intramural sport refers to sport events for members
within the walls of or jurisdiction of a setting.
Extramu
Moore-3620020
psbe
August 16, 2010
10:15
8
RICHARD KEPPEL-SMITH/GETTY
CHAPTER
Inference for Proportions
Introduction
We frequently collect data on categorical variables, such as whether or not a
person is a full-time college student or a part-time college
Chapter 10: Introduction to inference
i. A 95% condence interval for the mean )1: of a population is computed from a random
sample and found to be 9 j: 3. We may conclude
A) that there is a 95% probability that ,u is between 6 and 12.
B) that there is a 9
CHAPTER 13 REVIEW
1. The following are the approximate percentages for the different blood types among white Americans:
A: 40%; B: 11%; AB: 4%; O: 45%. A random sample of 1000 black Americans yielded the following
blood type data: A: 270; B: 200; AB: 40;
Chapter 11: Inference for Distributions
1. The weights of three adult males are (in pounds) 160, 215, and 195. The standard error
of the mean of these three weights is t
A) 190. B) 27.84. C) 22.73. D) £6.07.
Ans: D
Section: 11.1 Inference for the Mean of
Chapter 8-Inference for Proportions
Anh Dao
July 27th, 2009
Chapter 8-Inference for Proportions
Inference for a Single Proportion
Large-sample Condence Interval
The same principles used for the condence interval for the mean are
used for the condence inte
CHAPTER 9 ANALYSIS OF TWO-WAY TABLES
In Chapter 12 we learned how to study the effect of a categorical factor on a quantitative response variable. In chapter 9, we are going to learn how to study this relationship when both variables are categorical.
TWO-
MAT 311 Sampling Distribution Extra Practice Problems
1) Suppose the proportion of all college students who have used marijuana in the past 6
months is '1: 0.40. For a random sample of 200, what is the chance that the proportion of
students who have used
MAT 311 Extra practice problems for test 2
1) The following histogram displays the time in minutes that 26 high school students took to complete a
math problem.
THneiniTHnutestoanshrnath
pmbmm
20
15
C
E
2 10
G
Li.
5 5 5
5
0 *
2 3 4 5 6
TIME IN MINUTES
3
MAT 311 Practice Test 1
1) in a study reported in the July 6, 2007, issue of the journal Science, researchers
studied 396 American college students and kept track of each students gender and
also how many words they spoke in a day. They found that women s
j
Test 1 Extra practice problems
. rmrd.
Suppose for every email message that you receive in the next week. you keep track of r i
Whether the message is spam
Whether the sender is a family member. a friend, or someone else
0 Whether the message conta