Ch. 14 - Introducing Probability
Defn: An experiment is a process that, when performed, results in one and only one of
many observations.
These observations are called the outcomes of the experiment.
Probability is a numerical measure of likelihood that a
Statistics 141 Course Outline for Fall 2013
University of Alberta
Department of Mathematical & Statistical Sciences
Statistics 141 INTRODUCTION TO STATISTICS Lecture B1
Spring 2013 (Term: 1450 Class Number: 42667)
Instructor: Tahir Choulli
Office: CAB 663
Note:
1. This quiz is about topics covered in chapter 6 (normal distribution)
chapters 14 to 16 and chapter 18.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office i
Multiple Partial F Test
Want to test whether the addition of the k variables X1*, X2*, Xk* significantly
improves the prediction of Y, given that variables X1, X2, X3 , Xp are already in
the model.
H0 : X1*, X2*, Xk* do not significantly add to the predic
Note:
1. This quiz is about topics covered in chapters 14 to 16.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 5-1: The presence of markings in t
Note:
1. This quiz is about topics covered in chapter 1 and chapters 11 to 13.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 1-1: A random sample
Note:
1. This quiz is about topics covered in chapters 24 and 25.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 9-1: In order to compare the mean
Chapter 1
Defn: Statistics:
1) are commonly known as numerical facts
2) is a field of discipline or study
Here, statistics is about variation.
3 main aspects of statistics:
1) Design (Think): Planning how to obtain data to answer questions.
2) Description
Note:
1. This quiz is about topics covered in chapters 19 - 21.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 11-1: A clean air standard requires
Note:
1. This quiz is about topics covered in chapters 1 to 13.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 4-1: Which of the following stateme
Note:
1. This quiz is about topics covered in chapter 26.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 13-1: Which of the following statements a
Chapters 19 - 21: Statistical Inference Confidence Interval
and Hypothesis Testing for One Population Proportion
In these chapters, we will talk about:
Estimation of a population proportion,
Large-sample confidence interval for a population proportion,
Ho
Note:
1. This quiz is about topics covered in chapter 28.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 10-1: What is the purpose of the ANOVA?
(
Note:
1. This quiz is about topics covered in chapter 22.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 12-1: In estimating the difference betwee
Chapter 26: Chi Square Tests
In this chapter, we will talk about:
A goodness of fit test,
Chi-square test of independence in a contingency table.
Chi-square test of homogeneity in a contingency table.
Definition: A goodness-of-fit test is one that is used
Stat 141 MidtermReview Fa112013
1) Suppose in a statistic class, there are 100 students that had the following frequency
distribution of blood type
BloodType I A B 1 AB 0
l Frequency
25 30 L 35 10
If a randomly selected student does NOT have bl
Note:
1. This quiz is about topics covered in chapter 6 (normal distribution) and
chapter 18.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 6-1:
Stat 141 Formula Sheet
Central Limit Theorem: For large n (n > 30) ,
the sampling distribution of Y is approximately
normal.
Numerical Sum maries :
Sample Mean : y =
yi
n
( yi y ) 2
n 1
2
Sample Variance : s
Range : max min
Interquartile Range : IQR =
Stat 141 Formula Sheet
Central Limit Theorem: For large n (n > 30) ,
the sampling distribution of Y is approximately
normal.
Numerical Summaries :
i Sample Mean : y =
yi
n
( yi y ) 2
n 1
2
i Sample Variance : s
i Range : max min
i Interquartile Range :
Page 3 of 7
Ten years ago (at your company), the average number of consecutive summer vacation days taken was 12.5 days. You now
take a random sample of 9 people and determine a sample average of 10.1 consecutive vacation days and sample standard
deviatio
Stat 141 Fall 2013 Section B1
Some questions for Final Review
1) Here are boxplots of the points scored during the first 10 games of the basketball season for both
Caroline and Alexandra. The coach can take only one player to the state championship. Which
Youth and Adolescence [1995]: 315334) conducted a telephone
survey of parents with preteen and teenage children. One of the
questions asked was How effective do you think you are in talking
to your children about drinking? Responses are summarized in the
Chapter 23: Inferences about the
Mean
0 The t~1n0de1
0 Condence Interval for the mean
0 Hypothesis Testing for the mean 1. The t-Distribution/ Model:
o The 16 distribution (student distribution) has a Bell shape and
is characterized by a positive number
Sampling Distributions
o 2. Samplin
ruih
g Variability:
7;,i.22
Example (The sample
lVIean) Consider a'small population of 20 students enrolled in
Stotll
01111111. The students are numbered 1 to 20, and the table
below shows the amount of money spends b
Note:
1. This quiz is about topics covered in chapter 23.
2. The solution is given at the end of the file.
3. Please do not email me if you would like to discuss about the solution.
Come to my office instead.
Quiz 8-1: A medical researcher measured the pu
Chapter 23: Statistical Inference Confidence Interval and
Testing Hypothesis for One Population Mean
In this chapter, we will talk about:
Estimation of a population mean,
Confidence interval for a population mean when is unknown,
How to choose the sample