Discussion
The formula for the required sample size when constructing a confidence Interval for a proportion is: W
= critical value
= margin of error
= population proportion
= required sample size
The value 2 is determined by the level of condence
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This is not correct.
Sam believes that insbead of conducting a onetail best, they should conduct a twotail but.
Discussion
Onetail tests and twotail best:
In a hypothesis test, the null hypothesis represents the status
Name: Sam Zike
TA name/class time: NA in Blackboard yet
Lecturer name: KellyAnn Dixon Hamil
Lab 1: Sampling Methods/ Bias
You should open your lab dataset (SleepMood Lab data) found on Blackboard Learn into
Lab > Datasets. [SPSS Instruction Manual pg. 3
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Review Test Submission: Class Participation Chapter
2t2t2016
i
Course
Content
1
.
Chapter 1: Basic Descriptive Statistics and Graphs (January 25  February 5)
Review Test Submission: Class Participation Chapter
1
Review Test Submission: Class Participati
2/5t2016
Review Test Submission: Class participation
for Section 1.4 &.
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course content
section 1.4: The Normal Dlstribution (February
Reyiew Test Submission: Ctass participation
for
1
 February 12)
Section 1.4
Review Test submission: cta
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Your Work:
ln recent years, there has been a trend towards peopcfw_e living in more urban areas rather than in rural areas and this trend is only expected to
grow By 2017,
Review Test Submission: Class Participation for Ch 5
2/8t2016

.
i
Course Content
5.1:
The Central Limit Theorem and the Distribution of the Sample Mean (February 8  February 16)
Section
Review Test Submission: Class Participation for Ch 5
Review Test S
2t26t2016
Review Test Submission: Class Participation for Chapter 6 &.
t
Course Content
Chapter 6: Confidence lntervals and Hypothesis Testing for the Population Mean (February 18  February 29)
Review Test Submission: Class Participation for Chapter 6
Re
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A coffee manufacturer has three different kinds of coffee beans that it develops. It believes that the average amount of caffeine In one of their cups ofcoffee does not depend upon which type of bean is used. A
onerway ANOVA tes
3 Feedback [2 out of 2]
a) You are oornect.
b) You are correct.
Discussion
Since all three students use the same sample, they will all calculate the same test statistic (and therefore the same Pvalue). Ihis is because the test statistic is
Given b
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TWo variables (A and B) are hypothesised to have a linear relationship with one another, as represented by the following equation:
A =Bo+BlB+s
Data was gathered for thae two variables and the correlation coefcient (r) was ca
i
Course Content
Chapter 7: Confidence lntervals and Hypothesis Testing for the Population Mean (February 22  March 14)
Review Test Submission: Class Participation for Chapter 7
Review Test Submission: Class Participation for Chapter 7
Jessie Marie Earha