Statistics is the science of collecting, organizing, analyzing, and interpreting data. It involves collecting data, presenting data through tables and graphs, analyzing the data to draw conclusions, and interpreting the results. Statistics is used in many fields including business, government, health, sciences, and more to make data-driven decisions and draw valid conclusions about populations. Statistical thinking focuses on identifying and reducing variations in phenomena and will become increasingly important for citizens.
The data, collected for research, has to be processed, analyzed and interpreted to develop a solution to the research question.
Data analysis is a practice in which unorganized or unfinished data is ordered and organized so that useful information can be extracted from it.
It is the most enjoyable part of carrying out the research since after all of the hard works and waiting the researcher gets the chance to find out the answers. So analyzing the data and interpreting the results are the “reward” for the work of collecting the data.
Lecture on Introduction to Descriptive Statistics - Part 1 and Part 2. These slides were presented during a lecture at the Colombo Institute of Research and Psychology.
The data, collected for research, has to be processed, analyzed and interpreted to develop a solution to the research question.
Data analysis is a practice in which unorganized or unfinished data is ordered and organized so that useful information can be extracted from it.
It is the most enjoyable part of carrying out the research since after all of the hard works and waiting the researcher gets the chance to find out the answers. So analyzing the data and interpreting the results are the “reward” for the work of collecting the data.
Lecture on Introduction to Descriptive Statistics - Part 1 and Part 2. These slides were presented during a lecture at the Colombo Institute of Research and Psychology.
Introduction to Statistics - Basic concepts
- How to be a good doctor - A step in Health promotion
- By Ibrahim A. Abdelhaleem - Zagazig Medical Research Society (ZMRS)
In any single written message, one can count letters, words or sentences. One can categories phrases, describe the logical structure of expressions, ascertain associations, connotations, denotations, elocutionary forces, and one can also offer psychiatric, sociological, or political interpretations. All of these may be simultaneously valid. In short a message may convey a multitude of contents even to a single receiver.
Descriptive statistics, central tendency, measures of variability, measures of dispersion, skewness, kurtosis, range, standard deviation, mean, median, mode, variance, normal distribution
Introduction to Statistics - Basic concepts
- How to be a good doctor - A step in Health promotion
- By Ibrahim A. Abdelhaleem - Zagazig Medical Research Society (ZMRS)
In any single written message, one can count letters, words or sentences. One can categories phrases, describe the logical structure of expressions, ascertain associations, connotations, denotations, elocutionary forces, and one can also offer psychiatric, sociological, or political interpretations. All of these may be simultaneously valid. In short a message may convey a multitude of contents even to a single receiver.
Descriptive statistics, central tendency, measures of variability, measures of dispersion, skewness, kurtosis, range, standard deviation, mean, median, mode, variance, normal distribution
Notes of BBA /B.Com as well as BCA. It will help average students to learn Business Statistics. It will help MBA and PGDM students in Quantitative Analysis.
Statistics is a basic and important tool for professionals in all fields all over the worlds. This document provides the importance and scope of Statistics in major fields of study like a business, management, planning etc.
Statistics Introduction class - Ist PPT For Nursing Student By - Mr. Ramkishor chopra For more classes join you YouTube channel - https://youtube.com/@NURSESTHERISINGSTAR
Understanding the importance of statistics transcends mere numbers; it’s a cornerstone in various facets of life, particularly in the dynamic realm of business. Statistics is more than just crunching data; it’s the compass that guides decision-making, unveils patterns, and empowers informed choices within the business landscape. Statistics serves as the language that deciphers the story within data. It helps in interpreting information, spotting trends, and drawing conclusions vital for informed decision-making.
Chatty Kathy - UNC Bootcamp Final Project Presentation - Final Version - 5.23...John Andrews
SlideShare Description for "Chatty Kathy - UNC Bootcamp Final Project Presentation"
Title: Chatty Kathy: Enhancing Physical Activity Among Older Adults
Description:
Discover how Chatty Kathy, an innovative project developed at the UNC Bootcamp, aims to tackle the challenge of low physical activity among older adults. Our AI-driven solution uses peer interaction to boost and sustain exercise levels, significantly improving health outcomes. This presentation covers our problem statement, the rationale behind Chatty Kathy, synthetic data and persona creation, model performance metrics, a visual demonstration of the project, and potential future developments. Join us for an insightful Q&A session to explore the potential of this groundbreaking project.
Project Team: Jay Requarth, Jana Avery, John Andrews, Dr. Dick Davis II, Nee Buntoum, Nam Yeongjin & Mat Nicholas
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Empowering the Data Analytics Ecosystem: A Laser Focus on Value
The data analytics ecosystem thrives when every component functions at its peak, unlocking the true potential of data. Here's a laser focus on key areas for an empowered ecosystem:
1. Democratize Access, Not Data:
Granular Access Controls: Provide users with self-service tools tailored to their specific needs, preventing data overload and misuse.
Data Catalogs: Implement robust data catalogs for easy discovery and understanding of available data sources.
2. Foster Collaboration with Clear Roles:
Data Mesh Architecture: Break down data silos by creating a distributed data ownership model with clear ownership and responsibilities.
Collaborative Workspaces: Utilize interactive platforms where data scientists, analysts, and domain experts can work seamlessly together.
3. Leverage Advanced Analytics Strategically:
AI-powered Automation: Automate repetitive tasks like data cleaning and feature engineering, freeing up data talent for higher-level analysis.
Right-Tool Selection: Strategically choose the most effective advanced analytics techniques (e.g., AI, ML) based on specific business problems.
4. Prioritize Data Quality with Automation:
Automated Data Validation: Implement automated data quality checks to identify and rectify errors at the source, minimizing downstream issues.
Data Lineage Tracking: Track the flow of data throughout the ecosystem, ensuring transparency and facilitating root cause analysis for errors.
5. Cultivate a Data-Driven Mindset:
Metrics-Driven Performance Management: Align KPIs and performance metrics with data-driven insights to ensure actionable decision making.
Data Storytelling Workshops: Equip stakeholders with the skills to translate complex data findings into compelling narratives that drive action.
Benefits of a Precise Ecosystem:
Sharpened Focus: Precise access and clear roles ensure everyone works with the most relevant data, maximizing efficiency.
Actionable Insights: Strategic analytics and automated quality checks lead to more reliable and actionable data insights.
Continuous Improvement: Data-driven performance management fosters a culture of learning and continuous improvement.
Sustainable Growth: Empowered by data, organizations can make informed decisions to drive sustainable growth and innovation.
By focusing on these precise actions, organizations can create an empowered data analytics ecosystem that delivers real value by driving data-driven decisions and maximizing the return on their data investment.
Techniques to optimize the pagerank algorithm usually fall in two categories. One is to try reducing the work per iteration, and the other is to try reducing the number of iterations. These goals are often at odds with one another. Skipping computation on vertices which have already converged has the potential to save iteration time. Skipping in-identical vertices, with the same in-links, helps reduce duplicate computations and thus could help reduce iteration time. Road networks often have chains which can be short-circuited before pagerank computation to improve performance. Final ranks of chain nodes can be easily calculated. This could reduce both the iteration time, and the number of iterations. If a graph has no dangling nodes, pagerank of each strongly connected component can be computed in topological order. This could help reduce the iteration time, no. of iterations, and also enable multi-iteration concurrency in pagerank computation. The combination of all of the above methods is the STICD algorithm. [sticd] For dynamic graphs, unchanged components whose ranks are unaffected can be skipped altogether.
Basic statistics by Neeraj Bhandari ( Surkhet.Nepal )
1. STATISTICAL THINGING &
ANALYSIS
Statistical thinking will one day be as
necessary for efficient citizenship as
the ability to read and write
….. H. G. Wells
Statistical thinking can be defined as the
thought process that focuses on way
to identify, control, and reduce
variations present in all phenomenon
2. ORIGIN OF STATISTICS
The word „Statistics‟ seems to have
been derived from the Latin word
„STATUS‟ or the Italian word „statista‟
or the German word „statistik‟ each of
which means a „political state‟.
Sir Ronald A Fisher (1890-1962)
is Ihe father of Statistics
3. “The mathematics of the collection,
organization, and interpretation of numerical
data, especially the analysis of population
characteristics by inference from sampling.”
Statisticians collect and analyze data, then
calculate results using a specific design. They
draw conclusions and make decisions in the
face of uncertainty.
What Is Statistics?
4. STATISTICS
DEFINITION AND MEANING
Statistics may be defined as a science of
collection, presentation, analysis and
interpretation of numerical data.
This definition includes four terms:
1. Collection of data
2. Presentation of data
3. Analysis of data and
4. Interpretation of data
5. “The science of Statistics is the method of
judging collective, natural or social
phenomenon from the results obtained from
the analysis or enumeration or collection of
estimates”
…….. king
“Statistics is the science which deals
with collection, classification and
tabulation of numerical facts as the
basis for explanation, description and
comparison of phenomenon”
….. Lovitt
6. Types of Statistical Methods
Statistical methods, fall into the following two categories:
Descriptive statistics
Inferential statistics
7. Descriptive statistics
descriptive statistics deals with collecting,
summarizing, and simplifying data, which are otherwise
quite unwieldy and voluminous. It seeks to achieve this
in a manner that meaningful conclusions can be readily
drawn from the data. Descriptive statistics may thus be
seen as comprising methods of bringing out and
highlighting the latent characteristics present in a set of
numerical data. It not only facilitates an understanding of
the data and systematic reporting thereof in a manner;
and also makes them amenable to further discussion,
analysis, and interpretations.
8. Inferential statistics
Inferential statistics, also known as inductive
statistics, goes beyond describing a given problem
situation by means of collecting, summarizing, and
meaningfully presenting the related data. Instead, it
consists of methods that are used for drawing
inferences, or making broad generalizations, about a
totality of observations on the basis of knowledge about
a part of that totality. The totality of observations about
which an inference may be drawn, or a generalization
made, is called a population or a universe. The part of
totality, which is observed for data collection and
analysis to gain knowledge about the population, is
called a sample.
9. STATISTICS IN BUSINESS AND
MANAGEMENT
With the growing size and ever-increasing
competition, the problems of business
enterprise are becoming complex. And it
has become necessary for the executives
to rely more and more on elaborate
information system instead of their
intuition. And it is here that statistical data
and statistical methods play a very
significant role.
10. Some of the major areas of Business
Operations where Statistics have been
extensively and affectively used are as
follows:
Production
Marketing
Purchasing
Investment
Banking
Quality control
12. Collecting data on subsets of the population
(samples) can give valid information about the
whole population.
Knowing what has happened in the past can
help answer questions about the present and
future.
Knowledge helps plan future tests,
determines resource allocation, and improves
quality.
Why Study Statistics?
13. Study the safety of nuclear power plants
Evaluate the environmental impact of pollution
Determine the effectiveness of new drugs
Estimate the India’s unemployment rate
Analyze consumer demand for products
Plan and analyze agricultural experiments
What We can do with the
help of Statistics?
14. Manufacturing
Build products and deliver
services that satisfy
consumers and increase the
corporation’s profit margin
Business and Industry
15. Marketing
Design experiments for new
products, conduct focus
groups and sample surveys,
and perform field experiments
in test markets to determine
product viability
Business and Industry
16. Engineering
Make a consistent product,
detect problems, minimize
waste, and predict product life
in electronics, chemicals,
aerospace, pollution control,
construction, and other
industries
Business and Industry
17. Statistical Computing
Work in software design and
development, testing, quality
assurance, technical support,
education, marketing, and sales to
develop code that is both user-
friendly and sufficiently complex
Business and Industry
18. Epidemiology
Work on calculating cancer
incidence rates, monitor
disease outbreaks, and
monitor changes in health-
related behaviors such as
smoking and physical activity
Health and Medicine
19. Public Health
Prevent disease, prolong life,
and promote health through
organized community efforts,
including sanitation, hygiene
education, diagnoses, and
preventative treatment
Health and Medicine
20. Pharmacology
Work in drug discovery,
development, approval, and
marketing, to ensure the
validity and accuracy of
findings at all stages of the
process
Health and Medicine
21. Genetics
Label possible indicators of
genetic abnormalities, such
as birth defects and early
aging, or breed desirable
characteristics in plant
offspring
Health and Medicine
22. Education
Teach K-12 through post-
graduate students, assess
teacher effectiveness, or
develop statistical models to
represent student learning
Learning
23. Science Writing &
Journalism
Work with mass media,
universities, and corporations to
produce news briefs, articles,
news releases, and other reports
Learning
24. Government
Work in regulations for stock
trading, pollution, and drug
approvals, or testify in court
proceedings, congressional
hearings, and lobbying
arguments
Research
25. Survey Methods
Collect data in the social
sciences, education, law,
forestry, agriculture,
biology, medicine,
business, and
e-commerce, and for the
government
Research
26. Law
Analyze data in court
cases, including DNA
evidence, salary
discrepancies, discrimination
law suits, and disease
clusters
Social Statistics
27. Consulting
Work on a temporary basis
on a variety of projects
including quality
improvement,
pharmaceuticals, ecology,
and engineering
Social Statistics
28. Agriculture
Study chemical pesticides,
hydrogeology, veterinary
sciences, genetics, and crop
management in order to
ensure optimal yield
Natural Resources
29. Ecology
Address questions about
the earth’s natural
environment, including
animal populations,
agricultural protections,
and fertilizer and pesticide
safety
Natural Resources
30. Skills
Quantitative Skills
Statistics, Mathematics, Science
Problem Solving Skills
Analysis, Teamwork
Communication Skills
Verbal, Written
Computer Programming Languages
Foundation in Field of Application
31. Opportunities
Diversity
Pure Research
Interdisciplinary Teams
Advancement
Experience, education, and communication
skills lead to professional advancement
Versatility
Challenging and Exciting Fields of
Application