Week 3
ANOVA
Three Questions
Remember to show how you got your results in the appropriate cells. For questions using functions, show the input r
1 One interesting question is are the average compa-ratios equal across salary ranges of 10K each.
While compa
Part 4 Probability
Probability is the measure of the likelihood that an event will occur. Probability is
quantified as a number between 0 and 1 (where 0 indicates impossibility and 1 indicates
certainty). The higher the probability of an event, the more c
Part 1 Data Characteristics
Reading our first weekly lecture it was discussed in depth what nominal, interval, and
ratio level data means and how they are used gathering and analyzing various statistics using
NOIR. The nominal data level is used to be abl
Aleshia Wisch
Score:
Week 3
ANOVA and Paired T-test
At this point we know the following about male and female salaries.
Male and female overall average salaries are not equal in the population.
a.
Male and female overall average compas are equal in the po
Aleshia Wisch
Score:
Week 2
<1 point>
1
Testing means - T-tests
In questions 2 and 3, be sure to include the null and alternate hypotheses you will be testing
In the first 3 questions use alpha = 0.05 in making your decisions on rejecting or not rejectin
Aleshia Wisch
Score:
<1 point>
Week 4
Confidence Intervals and Chi Square (Chs 11 - 12)
For questions 3 and 4 below, be sure to list the null and alternate hypothesis statements. Use .05 for your si
For full credit, you need to also show the statistical o
Aleshia Wisch
BUS308: Statistics for Managers
<1 point>
<1 point>
<1 point>
1
Measurement issues. Data, even numerically coded variables, can be one of 4 levels nominal, ordinal, interval, or ratio. It is important to identify which level a variable is, a
Data on the city from which members of a board of directors come from represent interval
level data?
(Points: 1)
r
True
,
False
Question 2.2. The standard deviation of normally distributed data is equal to about 1/6 of the
data set's range.
(Points: 1)
I
Aleshia Wisch
Score:
<1 point>
Week 5
Correlation and Regression
1. Create a correlation table for the variables in our data set. (Use analysis ToolPak or StatPl
a.
Reviewing the data levels from week 1, what variables can be used in a Pearson's C
For the
Week 3 Discussion 1 Part 3
What is the Effect size measure?
The effect size measure is the mean difference between two groups. Ling & Nelson
(2014) explain, Effect size is a concept that can help researchers distinguish between statistical
and practical s
Week 3 Discussion 1 Part 2
What other factors would you be interested in knowing if means differed by grade level?
Why?
Another factor that I would be interested in knowing would be the age of the employees.
The more factors you have when using an ANOVA t
Week 3 Discussion 1 Part 1
Why cant we just master a single statistical testsuch as the t-testand use it in
situations calling for mean equality decisions?
We cant just master a single statistical test, such as the t-test, and use it in situations
calling
What is a hypothesis test?
A hypothesis test is a test that covers all possible outcomes.
The results will either be significant or not (Tanner, D., & Youssef
Morgan, C., 2013). What this means to the researcher is that
they will be able to evaluate the
Running Head: WHAT HAVE I LEARNED FROM BUS 308
BUS 308: Statistics for Managers
Dr. Charles Aki
April 13, 2016
Looking back at the five weeks that I have been studying what Business 308:
Statistics for Managers is, I have been racking my brain to find out
When are differences (between one time period and
another, between different production lines, etc.) between
average or actual results important?
An average result is determined by predicting what will
happen during a particular set time frame. That can b
Score:
Week 1. Measurement and Description - chapters 1 and 2
<1 point>
1
Measurement issues. Data, even numerically coded variables, can be one of 4 levels nominal, ordinal, interval, or ratio. It is important to identify which level a variable is, as
th
1. A contingency table is a multiple row and multiple column table showing
counts in each cell.
True
2. The Chi Square test for independence needs a known (rather than
calculated) expected frequency distribution.
False
3. For a two-sample confidence inter
RUNNING HEAD: STATISTICS
1
Statistics and Life
BUS308: Statistics for Managers
Learning about statistics was very different than I had expected it to be. There is so much
more to learn than just if it is true that 65% of women are smarter than men, or tha
WEEK 1 HOMEWORK HINTS
CHAPTER 1 Only questions, no problems.
CHAPTER 2
P2-9 Statement of Cash Flows You must calculate the 2015 net cash flow from
operating activities for Ramakrishnan, Inc.
Cash Flows from Operating Activities
Net income
Additions (sourc
RUNNING HEADER: REFLECTING ON GLOBAL CITIZENSHIP
Reflecting on Personal Identity and Global Citizenship
Clarissa Murray
GEN 499: General Education Capstone
Hazar Shehadeh
September 19th, 2015
1
RUNNING HEADER: REFLECTING ON GLOBAL CITIZENSHIP
2
Reflecting
BUS308 company, are the males and females paid equally for equal work?
When sorting and analyzing the data tab I set filters and first sorted by overall salary, ID
9 a male and ID 43 a female has similar salaries and to determine equality we can look at a
Week 4
Confidence Intervals and Chi Square (Chs 11 - 12)
For questions 3 and 4 below, be sure to list the null and alternate hypothesis statements. Use .05 for your significa
For full credit, you need to also show the statistical outcomes - either the Exc