Hello, dear Mella Tutorials Family! After a long break, we’re excited to announce that we’re returning next week with our Statistics II course!
We’ve worked hard to bring you clear discussions, practical examples, and in-depth illustrations in every chapter. Each topic includes more than 10 examples to help you grasp the concepts with ease!
🔔 Stay connected to our YouTube channel (https://www.youtube.com/@mella_tutorials) for updates and new tutorial videos!
📚 What to Expect in Statistics II?
We’ll cover key topics, including:
🎯 Sampling & Sampling Distributions – Learn about sampling techniques, bias, and distribution concepts.
🎯 Statistical Estimations – Master point and interval estimations, sample size determination, and Student’s t- distribution.
🎯 Hypothesis Testing – Understand the steps, errors, and testing for means and proportions.
🎯 Chi-Square Distributions – Explore tests for independence, equality of proportions, and goodness-of-fit tests.
🎯 Analysis of Variance (ANOVA) – Learn how to compare means of multiple populations.
🎯 Regression & Correlation – Dive into correlation coefficients, regression models, and curve fitting techniques.
📌 Make sure to subscribe and turn on notifications so you don’t miss out on any updates!
📺 Mella Tutorials – A Hub of Wisdom!
#MellaTutorials #StatisticsII #DataAnalysis #HypothesisTesting #Regression #ANOVA #Sampling #ChiSquare #LearnWithUs

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የ2017 አጋማሽ ዓመት የመውጫ ፈተና (Exit Exam) ውጤት ኦንላይን የመመልከቻ ሊንክ መስራት ጀምሯል።

https//:result.ethernet.edu.et ላይ በመግባት ExitExam የሚለውን በመምረጥና የራስዎን User Name በማስገባት ውጤትዎን መመልከት ይችላሉ።

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https://youtu.be/mY1LWbibKXQ


Very soon

Statistics For Management II
Chapter One: Part I

Sampling & Sampling Distributions – Streaming Now! 🎥

Hello, dear Mella Tutorials Family! We’re excited to announce that our Statistics II course has officially started, and today’s session covers Sampling and Sampling Distributions! 📊🎉

We’ve put together an in-depth discussion with practical examples and clear illustrations to make learning easier. With 10+ examples per topic, you’ll gain a solid understanding of:

🔍 Key Topics Covered:

✅ Sampling Theory

What is sampling, and why is it important?

How to design and conduct a sampling study

Bias, errors, and types of sampling techniques (random & non-random)


✅ Sampling Distributions

Understanding the concept of sampling distributions

Distributions of the mean and proportion

Distributions of the difference between two means & two proportions


📌 Missed the session? No worries! Head over to our YouTube channel and watch it now. Don’t forget to like, share, and subscribe for more updates!

📺 Mella Tutorials – Making Statistics Simple! 📊📖

#MellaTutorials #StatisticsII #Sampling #DataAnalysis #Probability #LearnWithUs #SamplingDistributions

https://youtu.be/mY1LWbibKXQ

Statistics For Management II
Chapter One: Part II
Sampling distribution: Mean, Proportion and the difference between two mean and proportions.



🎥 Master Sampling Distributions in Minutes! 📊

Ever wondered how sampling distributions work and why they are crucial in statistics? 🤔 Whether you're a student, researcher, or data analyst, understanding the mean, proportion, and differences between two means and proportions is key to making accurate predictions and informed decisions!

📌 In this video, you'll learn:
✅ What sampling distributions are and why they matter
✅ How to analyze means, proportions, and sample differences
✅ The role of standard error, variability, and the Central Limit Theorem
✅ Practical examples and formulas explained in a simple way!

🚀 Don’t let statistics confuse you! This video breaks it down step by step to help you apply these concepts in research, business, and real-world decision-making.

🔔 Subscribe now and hit the notification bell so you never miss our latest insights on statistics, research, and data analysis! Drop your questions in the comments, and let’s learn together! 🎯

📢 Watch now!


#Statistics #SamplingDistributions #DataAnalysis #InferentialStatistics #ResearchMethods #HypothesisTesting #QuantitativeResearch #ConfidenceIntervals #CentralLimitTheorem #BusinessAnalytics #SPSS #STATA #DataScience #SurveyAnalysis #UniversityStudents #StatisticalModeling


https://youtu.be/kdNifYsIRM4?si=Q8-ws2CLVNYe0m-1

ዛሬ 4 ሰዓት ላይ ይጠብቁን ስለ sampling distribution በሰፊው ገለጻ የተደረገበት Tutorials ይለቀቃል።

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Statistics For Management II
Chapter Two: Part I
Statistical Estimation: POINT.


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Hello, dear Mella Tutorials Family! 🎉 We’ve just uploaded a brand-new video covering Statistical Estimations, packed with clear explanations and practical examples to help you master the concepts!

🔍 What’s Covered in This Video?
✅ Basic Concepts and Properties of Estimations
✅ Point Estimators of the Mean and Proportion – Learn how to calculate accurate estimates with real-world applications!

📌 But that’s not all! Stay tuned because we’re also preparing the next topics:
🔜 Interval Estimations
🔜 Hypothesis Testing, Chi-Square, ANOVA, Regression & More!

📺 Watch now on our YouTube channel! Don’t forget to like, share, and subscribe to stay updated on upcoming lessons.

Mella Tutorials – Your Guide to Mastering Statistics! 📊📖

#MellaTutorials #StatisticsII #Estimation #PointEstimation #DataAnalysis #LearnWithUs #Probability







https://youtu.be/QzO6a9ttVMw?si=kOkmjcAqHeiO5MqM

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Statistics For Management II
Chapter Two: Part II
Statistical Estimation: Interval.



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Hey Mella Tutorials Family! 🎉

We've got a new video for you! This time, we're diving into Interval Estimations—a key concept in statistics that helps make better predictions with data. Here's what you'll learn:

✅ Estimating the Mean & Proportion – How to build confidence intervals for accurate predictions.
✅ Comparing Two Means – Understand the difference between two independent groups.
✅ Comparing Two Proportions – Learn how to analyze proportions from different samples.
✅ Student’s t-Distribution – A must-know for small sample sizes!
✅ Sample Size Calculation – How to determine the right number of samples for reliable results.

📺 Watch now on Mella Tutorials! Don’t forget to like, share, and subscribe for more easy-to-follow stats lessons.


Mella Tutorials
A hub of wisdom
Making Statistics Simple! 📊




https://youtu.be/HmFMGYcaepw?si=84D_5YA2z_QoQiKq

Statistics For Management II
Chapter Three: Part I
Introduction to Hypothesis Testing



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Are you ready to master hypothesis testing and make data-driven decisions with confidence? In this video, we break down key concepts like null vs. alternative hypotheses, Type I & II errors, one-tailed vs. two-tailed tests, significance levels, and more! Whether you're a student, researcher, or business analyst, this guide will help you understand and apply statistical testing in real-world scenarios.

🔍 What you’ll learn:
✅ What is a Hypothesis? 🤔
✅ Steps in Hypothesis Testing 🔢
✅ Type I & Type II Errors 🚨
✅ One-Tailed vs. Two-Tailed Tests 🎯
✅ P-Value vs. Critical Value Approach 📉

Don't let statistics intimidate you! 📚 Watch now, hit LIKE, COMMENT your thoughts, and SUBSCRIBE for more insightful content! 🔔

🚀 Watch Now! 👉 https://youtu.be/1I3bGsV4YI8

📢 #HypothesisTesting #Statistics #DataAnalysis #PValue #CriticalValue #OneTailedTest #TwoTailedTest #ResearchMethods #BusinessAnalytics #DataScience #Mathematics #StatisticalAnalysis #AcademicResearch #OnlineLearning #DecisionMaking