Section A. Identification of Version (1) and True/ False (2-16) 1. You are writing version 1 of this exam. Indicate this by answering a for question 1. You MUST do this correctly. Discrepancies will be investigated as possible attempts at academic dishone
Chapter 1 Introduction and Descriptive Statistics
True/False Questions
1. A population is a subset of measurements taken from a large group.
Answer: False Type: Concept Difficulty: Easy
2. It is assumed that a sample contains all measurements in which the
Class_Work_2
In September 2013, a cable company surveyed its customers in Burnaby, BC, and asked
how likely they were to watch more than 2 hours of TV per day. The following data show
the responses.
Very Likely
Unlikely
Unlikely
Very Likely
Likely
Unlikel
2QA3 Fall 2014- Page 1
Commerce 2QA3
Applied Statistics for Business
Fall 2014 Course Outline
Dr. Fouzia Baki
Operations Management Area
DeGroote School of Business
McMaster University
COURSE OBJECTIVE
This course provides an introduction to the applicati
Chapter 10
Sampling Distributions
Ch. 10: Sampling Distribution
Learning Objectives
1) Understand how variations among multiple samples can
be represented in a sampling distribution
2) Calculate the sampling distribution (mean and variance)
of a proportio
Chapter 7
Introduction to Linear
Regression
Ch. 7: Introduction to Linear Regression
Learning Objectives
1)
2)
3)
Choose a linear model of the relationship between two
variables
Use the correlation to analyze the usefulness of the
model
Deal with nonlinea
Commerce 2QA3 Midterm Exam
Commerce 2QA3
Tables and Formulae
General Formulae
Sample Mean = average of a data set,
For population mean, we write . Population mean is the average of population data.
Sample standard deviation, s =
the individual data values
Business Statistics, Cdn. 2e (Sharpe)
Chapter 17: Nonparametric Methods
Short Answer - Quiz A
1) Suppose that 6 economists who work for the federal government and 7 university economists
were asked to grade the effectiveness of the federal government's st
Business Statistics, Cdn. 2e (Sharpe)
Chapter 19: Understanding Regression Residuals
Short Answer - Quiz A
1) The advertising campaign for a high fibre cereal wants to claim that high fibre cereals are
lower in calories. In order to research this claim, t
Section A. Identification of Version (1) and True/ False (2-16) 1. You are writing version 1 of this exam. Indicate this by answering a for question 1. You MUST do this correctly. Discrepancies will be investigated as possible attempts at academic dishone
Business Statistics, Cdn. 2e (Sharpe)
Chapter 13: Confidence Intervals and Hypothesis Tests for Means
Short Answer - Quiz A
Consider the following to answer the question(s) below:
Insurance companies track life expectancy information to assist in determin
Business Statistics, Cdn. 2e (Sharpe)
Chapter 14: Comparing Two Means
Short Answer - Quiz A
Consider the following to answer the question(s) below:
Data were collected on annual personal time (in hours) taken by a random sample of 16 women
and 7 men emplo
Business Statistics, Cdn. 2e (Sharpe)
Chapter 11: Confidence Intervals for Proportions
Short Answer - Quiz A
Consider the following to answer the question(s) below:
EU (European Union) countries report that 46% of their labour force is female. The United
Business Statistics, Cdn. 2e (Sharpe)
Chapter 2: Data
Short Answer - Quiz A
1) The mission of a research firm is to "explore the impact of the Internet on families,
communities, work, home, and daily life." In August September 2010 they conducted
telephon
Business Statistics, Cdn. 2e (Sharpe)
Chapter 8: Randomness and Probability
Short Answer - Quiz A
1) During its grand opening week, Stickler's bicycle shop offers a "wheel of discount savings".
After customers select the items they wish to purchase, they
Business Statistics, Cdn. 2e (Sharpe)
Chapter 9: Random Variables and Probability Distributions
Short Answer - Quiz A
1) At a local manufacturing plant, employees must complete new machine set ups within 30
minutes. New machine set-up times can be describ
Business Statistics, Cdn. 2e (Sharpe)
Chapter 6: Scatterplots, Association, and Correlation
Short Answer - Quiz A
1) In discussing how its customers use online services, a bank manager noted "there seems to be
a strong correlation between the use of the o
Business Statistics, Cdn. 2e (Sharpe)
Chapter 23: Decision Making and Risk
Short Answer - Quiz A
Consider the following to answer the question(s) below:
A land owner is considering a community development project. Even though he realizes that the
current
Business Statistics, Cdn. 2e (Sharpe)
Chapter 3: Surveys and Sampling
Short Answer - Quiz A
1) The administration of a large university is interested in learning about the types of wellness
programs that would interest its employees. To do this, they plan
Business Statistics, Cdn. 2e (Sharpe)
Chapter 12: Testing Hypotheses about Proportions
Short Answer - Quiz A
Consider the following to answer the question(s) below:
A company manufacturing computer chips finds that 8% of all chips manufactured are defecti
Business Statistics, Cdn. 2e (Sharpe)
Chapter 16: Inference for Counts: Chi-Square Tests
Short Answer - Quiz A
1) Vending machines on a college campus offer a variety of drinks. The purchasing agent
believes that each type of drink is equally preferred by
Business Statistics, Cdn. 2e (Sharpe)
Chapter 22: Time Series Analysis
Short Answer - Quiz A
1) A large automobile parts supplier, keeps track of the demand for a particular part needed by its
customers, automobile manufacturers. The time series plot belo
Business Statistics, Cdn. 2e (Sharpe)
Chapter 4: Displaying and Describing Categorical Data
Short Answer - Quiz A
Consider the following to answer the question(s) below:
A large national retailer of electronics conducted a survey to determine consumer pre