Tests of goodness of fit and independence
MULTIPLE CHOICE
1. A population where each element of the population is assigned to one and only one of several classes
or categories is a
a. multinomial popu
MCQ
1. Which of the following Statements is true regarding a simple linear
regression model?
@ The proportion of variation that is unexplained is the correlation
coefficient
@ SSR must be greater tha
Midterm Preparation Problems
CASE # 1 HOX PLOT CASE from Lesson 2
CASE #2- Products are returned to stores for a variety reasons. A recent study showed that 60% are for
QUESTION BANK MC 215
A consumer products company is considering introducing a new
product nationally. To help make the decision, it first conducts a test
market by selling the product for a few months
Chapter 9Introduction to Hypothesis Testing
When applicable, selected problems in each section will be done following the appropriate stepby-step procedures outlined in the corresponding sections of t
Chapter 5Discrete Probability Distributions
When applicable, selected problems in each section will be done following the appropriate stepby-step procedures outlined in the corresponding sections of t
Chapter 2Graphs, Charts, and TablesDescribing Your Data
When applicable, the first few problems in each section will be done following the appropriate
step by step procedures outlined in the correspon
Chapter 4Introduction to Probability
When applicable, selected problems in each section will be done following the appropriate stepby-step procedures outlined in the corresponding sections of the chap
Class 1 STATS
Descriptive Statistics:
o Procedures and techniques designed to describe data
Inferential Statistics
o Tools and techniques that help decision makers to draw inferences from a set of dat
Interval estimation
MULTIPLE CHOICE
1. The absolute value of the difference between the point estimate and the population parameter it
estimates is
a. the standard error
b. the sampling error
c. preci
COMM 215: BUSINESS STATISTICS
REVIEW PROBLEMS 2
_
Sampling Distributions
1. The size of servings of soft ice cream in a fast-food chain is monitored carefully so that the mean
serving is 250g, with a
Family Name
Name
ID
1st Individual Practice Assign Comm215 ( Chapters 1-4) - no mark.
- all questions must be done by hand and individually.
-For MCQs YOU MUST HIGHLIGHT or use dark COLOR to circle on
COMM 215: Business Statistics
Solution to Practice Problems 2
_
Sampling Distributions
1
240 250
260 250
a) P( x < 240) or P( x > 260) = P z <
+ P z >
7.5
7.5
20
20
P ( z < 5.96) + P ( z > 5.96) 0
Monohybrid Cross Worksheet
Name _
Period _
Part A: Vocabulary
Match the definitions on the left with the terms on the right.
_ 1. genotypes made of the same alleles
A. alleles
_ 2. different forms of
Steve Bynghall
UK-based intranet, collaboration and digital workplace
consultant, writer and researcher
Founder of Two Hives
Co-founder of Intranet Directions with Chris Tubb
Writer for Step Two a
oWhat are MSDS?
MSDs, or musculoskeletal disorders, are injuries and disorders of the soft tissues
(muscles, tendons, ligaments, joints, and cartilage) and nervous system. They can affect
nearly all t
Chapter 1 : Introduction
Background on Ergonomics
Ergonomics is the study of the interaction between people and machines and the factors that affect the
interaction. Its purpose is to improve the perf