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 pref
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)
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
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
Ob
Name:_
Chapter 11/12 Review
1) If a p-value is statistically significant, this means that:
A. It's likely that this result occurred as a result of random variation
B. It's unlikely that this result oc
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) 1
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?
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
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
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 conden
Chapter 6
Introduction to Inference
6.1 Estimating with Confidence
6.2 Tests of Significance
6.3 Use and Abuse of Tests
6.4 Power and Inference as a Decision
1
6.1 Estimating with Confidence
Inferenc
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
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 variab
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 languag
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 l
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 sy
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
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 Con
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
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)
Chapter 13/14 Review
Chapter 13: Comparing Two Population Parameters
1. We are interested in evaluating the effect of a natural product on reducing blood
pressure. This is done by comparing the mean r
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
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% probab
Ch. 11 Review
Algebra III/Stats
Use the following to answer questions 1 through 5:
Using his TI-83/84, Zach generates 1000 random numbers that are supposed to follow a standard
normal distribution. He
Chapter 9
Analysis of Two-Way Tables
9.1 Inference for Two-Way Tables
9.2 Goodness of Fit
1
9.1 Inference for Two-Way Tables
Two-way tables
Expected cell counts
The chi-square statistic
The chi-sq
Chapter 11
Two-Way ANOVA
An analysis method for a quantitative outcome and two categorical explanatory
variables.
If an experiment has a quantitative outcome and two categorical explanatory
variables
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 th
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
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
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