A study was conducted to find out the type of relationship
between randomly selected15 Masters of Education Degree students
scores in Research Methods and Statistics at Mount Kenya University
during the 2012/2013 academic year. The results were as displayed
in the table below.
Student Research marks Statistics
marks
1 84 69
2 74 64
3 48 56
4 54 72
5 72 85
6 71 68
7 96 87
8 75 86
9 69 71
10 100 91
11 23 31
12 58 65
13 94 89
14 76 71
15 52 54
i) State the null and alternative hypotheses.
(2mks)
ii) Calculate Pearson correlation coefficient between
the two sets of data.
(4mks)
iii) What is your overall conclusion regarding the
nature of relationship between the two variables if r( df = 14) at
∝ =.01 significance level?
(2mks)
iv) Fit a line of best fit (linear regression) of Y on
X
(4mks)
v) Estimate the Y score of a student who obtained 6 in
X
(1mk)
In: Statistics and Probability
Allisson Russo is a 15 year old girl admitted to the
Emergency Room with Right , lower quadrant pain. She is eventually
diagnosed with appendicitis and scheduled for an appendectomy.
After visiting Allison in the Er, the surgeon Alerts the Operating
Room nurse, Ms. Wendy Harnes that the surgery will take place in an
hour. Allison is HIV positive from emergency medical acre and blood
transfusions that she received six years ago, following an auto
accident. Allison does not know that she is positive, at the
request of her parents, who are born high-powered attorneys.
Allison tells Ms. Harnes that she used to to be involved in sports
but has dropped these activities in school because of feeling more
tired than usual. She thinks that her academic studies are simply
requiring more of her attention , but her mother has suggested that
perhaps she would be seeing a new doctor soon. Allison asks the
nurse “ Do you think being tired at my age is a serious concern? I
thought all teenagers feel like this. I feel that I have a serious
health problem.” How should Ms. Hayes respond to Allison?
In: Nursing
1. What are the elements of team leadership?
2. Ethics is the study of morally right behaviors and
character.
i. The manufacturing cost of the widgets your company makes has
dropped by 50%. One of your customers, Sam, tells you he knows this
because he is best friends with your company’s Vice President of
production and asks you for a discount on his order. Your boss
accepts this request. Your other customer, Sue (who is one of your
best friends and knows nothing about the drop in manufacturing
costs), places the exact same order for widgets as Sam. Do you
offer her a similar discount? Do you tell her about the drop in
manufacturing costs?
ii. You are a working student, a manager of a company. Your company
has engaged you for a whole month, so you have not had enough time
to focus on completing and submitting your assignment. You have 48
hours to submit a 3,000 words assignment. Your classmate has
offered to do your assignment for you, but your religious values
does not permit you to allow this academic misconduct. What will
you do?
In: Psychology
Data modeling is a key component to creating a database. There are all different aspects of data modeling, with concerns from various things to the methodology of modeling, to software, to interfaces used between each model.
Paper: Write a 3 page paper (at model 1.2 spacing, 12 pt font, 1 inch margins with at most one half of the paper including a figure, citations not included) on some aspect of data modeling in industry. You must use reliable academic and industry resources. You must have at least one resource that connects your topic to industry. Write up should not exceed 4 pages, excluding citations. Example topics include:
In: Computer Science
In: Economics
We consider a randomized experiment, the Tennessee STAR experiment, where students and teachers are randomly assigned to either a small class (15 students) and a regular class (24 students).
We want to estimate the effect of smaller class in primary school
and use the following linear model:
Score = β0 + β1ClassSize + Controls + u,
where Score is student’s academic score, Class Size is dummy for
small class, and controls includes free lunch status, race, gender,
teacher characteristics and so on.
However, you estimate the following model instead:
Score = α0 + α1ClassSize + v
A. Provide the conditions for the OLS estimator for α1 to be
unbiased.
B. Provide the Gauss-Markov assumptions for the OLS estimator for
α1.
C. Evaluate the sign and the magnitude of bias α1 if teacher’s
experience has positive effect on score and more experienced
teachers are more likely to be assigned to regular class.
D. Suppose that teachers and students are randomly assigned to
either a small class (15 students) or a regular class. Compare α1
to β1.
E. How does the OLS estimator for β1 change as we additionally
include parental characteristics as Controls?
In: Math
When it comes to Bodies & Sexualities, the common denominator globally: Keep people unhappy with how they look = get their money = maintain social control Discuss Aleichia William’s statement, “I’m learning to embrace every aspect of my identity and not let small minds put me in a box that just doesn’t fit.” Post#1: Discussion Post ( 3 Points) In what institutionalized ways does our society force people into these boxes? (300 words): (1 point) Have you ever experienced having to identify within a box that didn’t fit? How did you handle it? What can we do to shift our thinking to a less rigid and separate way of thinking about identity? Think about what communities you are a part of. (300 words): (1 point) Are they supportive or oppressive? In what ways? How did you find them? C. How are your interactions with other members of the community different from interactions with people outside the community? (300 words): (1 point) (Support each answer with course material and/or other academic sources and provide citations)
In: Psychology
Apply Jean Piaget’s preoperational stage theory (symbolic thought, pretend play, and egocentrism) to early childhood development. Give an example for each.
Explain why children during early childhood are unable to understand law of conservation.
Apply Vygotsky’s concepts of scaffolding and zone of proximal development to early childhood cognitive development. Apply by using an example.
Explain how the impact poverty has on academic experiences and IQ.
Describe the effects of television on learning. How much television will you allow your children to watch?
Provide examples of the appearance-reality distinction.
What are scripts? Explain.
Explain autobiographical memory (episodic memory).
Summarize the factors that influence memory.
Identify different memory strategies used by preschoolers.
Describe the process of how words are learned by preschoolers.
Explain whole-object assumption.
Explain contrast assumption.
Describe the process of how preschoolers learn grammar.
What is overregularization?
Why questions containing “what,” “who,” and “where” appear earlier than questions of “why,” “when,” “which,” and “how”?
Explain the role of pragmatics in language development.
Describe the importance of Vygotsky’s concept of inner speech.
In: Psychology
The internal as well as external environment of organisations, including public sector organisations, have become very dynamic. Over the last decades many unpredictable events happened which had dramatic impacts on many countries. The public sector needs a new breed of leaders who can address the new challenges in this ever changing world. Lately, the Covid-19, the corona virus disease, is having a devastating effect in many countries, including Mauritius. At the beginning of March 2020, the Prime Minister announced a series of measures to reduce the socio-economic impact of Covid-19 for Mauritius (GIS, 2020). He announced that overall Government spending will be reduced by 10%. In this volatile and unpredictable environment, public administrators have a critical role to play to save a country in the medium to long term. Strong and effective leadership have become imperative in the public sector in Mauritius.
Carry out the following tasks:
Research academic and Journal articles on Leadership in the public sector. Prepare a brief literature review of the topic. This should include some relevant theories on Leadership. Your research should mainly be based on recent articles from peerreviewed journals. [12 Marks]
In: Operations Management
Evaluating Source
One of the responsibilities often associated with management is the gathering of career-specific information on resources or professional development. Familiarity with professional sources shows you have interest in your field and invest time to stay current with developments and debates in your industry. Sources for the IT field.
For this assignment, you will identify credible sources related to your field. You will identify the sources using accurate APA format. Then, for each source, you will write two complete paragraphs that
For your sources, you should include at least one of each of the three following sources:
In: Computer Science