Welcome to Tech Jroshan — your one-stop destination to learn Data Analysis, Data Science, Python, SQL, Machine Learning, Deep Learning, Generative AI, and Agentic AI from scratch to advanced!
This channel is dedicated to helping students, beginners, freshers, and career switchers build real skills and land high-paying jobs in the tech & AI industry.
Here you’ll learn:
📌 Data Analysis:
SQL • Excel • Python • Power BI • EDA • Dashboards
📌 Data Science:
Numpy • Pandas • Statistics • ML • Feature Engineering
📌 DL:
Neural Networks • TensorFlow • Keras • PyTorch • Computer Vision
📌 AI & Automation:
Generative AI • Agentic AI • LLMs
📌 Career Guidance:
Roadmaps • Portfolio projects • Resume tips • Interview preparation
If your goal is to become a Data Analyst, Data Scientist this channel will guide you step-by-step with roadmaps, tutorials, projects, and real-world explanations.
🚀 Subscribe now and upgrade your tech career!
Instagram: @tech_jroshan
YouTube: @tech_jroshan
Tech - jroshan
If covariance = 0, then correlation is:
A) 🔹1
B)🔹 0
C)🔹 -1
D)🔹 Not defined
Why Machine Learning Important
youtube.com/shorts/dvxjU4Qm3I...
AI / ML Roadmap
youtube.com/shorts/sw-n3CYyEn...
AI vs ML vs DL vs Data Science
youtube.com/shorts/7t80_oZofX...
Why Feature Engineering
youtube.com/shorts/cGIebgSJ7L...
Machine Learning Over- fitting vs Under-Fitting
youtube.com/shorts/cNKtEshr59...
youtube.com/shorts/WxoKRlYyXO...
Bias- Variance Tradeoff
youtube.com/shorts/K4EoxbWMoA...
Python Complete Roadmap
https://youtu.be/ugn5lbCyfs4?feature=...
SQL Leet Code Questions
https://youtu.be/qKTo8V7QycM?feature=...
Data Science Roadmap
https://youtu.be/tseiCVfAI3g?feature=...
Python Operators
youtube.com/shorts/I-1UkDkv-T...
Data analysis to data science
https://youtu.be/JkNd2qEX7gM
Sql top interview questions
https://youtu.be/PNZ-uWdJULY
Why Companies need data base or kaha store karti hai
youtube.com/shorts/5EOrWdHS5Y...
Customer did not make any transition 1581
https://youtu.be/aBkUzZjkFi0
Leet code 1667
youtube.com/shorts/M4evfrcRlr...
🔥 Join Groups for the latest Update and Notes:-
whatsapp.com/channel/0029Va53iL3D8SE74GZFsz3i
🎯 Test Your SQL Skills – Free Quiz!
forms.gle/Afux5noATe5qRgB9A
🌈Join my YouTube channel for in-depth discussions
youtube.com/@tech_jroshan
🔗let's build a strong professional community together. Connect now!
www.linkedin.com/in/roshan-jha-tech
Please ping your questions or query 🔥
#Python #SQL #DataAnalysis #DataScience #LeetCode #ProblemSolving #Statistics #InterviewQuestions #HackerRank #MachineLearningEngineering
20 hours ago | [YT] | 1
View 0 replies
Tech - jroshan
What is Type-1 error?
A) 🔹Accepting true null
B) 🔹Rejecting true null
C) 🔹Accepting false null
D)🔹 Rejecting false null
AI / ML Roadmap
youtube.com/shorts/sw-n3CYyEn...
AI vs ML vs DL vs Data Science
youtube.com/shorts/7t80_oZofX...
Why Feature Engineering
youtube.com/shorts/cGIebgSJ7L...
Machine Learning Over- fitting vs Under-Fitting
youtube.com/shorts/cNKtEshr59...
youtube.com/shorts/WxoKRlYyXO...
Bias- Variance Tradeoff
youtube.com/shorts/K4EoxbWMoA...
Python Complete Roadmap
https://youtu.be/ugn5lbCyfs4?feature=...
SQL Leet Code Questions
https://youtu.be/qKTo8V7QycM?feature=...
Data Science Roadmap
https://youtu.be/tseiCVfAI3g?feature=...
Python Operators
youtube.com/shorts/I-1UkDkv-T...
Data analysis to data science
https://youtu.be/JkNd2qEX7gM
Sql top interview questions
https://youtu.be/PNZ-uWdJULY
Why Companies need data base or kaha store karti hai
youtube.com/shorts/5EOrWdHS5Y...
Customer did not make any transition 1581
https://youtu.be/aBkUzZjkFi0
Leet code 1667
youtube.com/shorts/M4evfrcRlr...
🔥 Join Groups for the latest Update and Notes:-
whatsapp.com/channel/0029Va53iL3D8SE74GZFsz3i
🎯 Test Your SQL Skills – Free Quiz!
forms.gle/Afux5noATe5qRgB9A
🌈Join my YouTube channel for in-depth discussions
youtube.com/@tech_jroshan
🔗let's build a strong professional community together. Connect now!
www.linkedin.com/in/roshan-jha-tech
Please ping your questions or query 🔥
#Python #SQL #DataAnalysis #DataScience #LeetCode #ProblemSolving #Statistics #InterviewQuestions #MachineLearningEngineering
3 days ago | [YT] | 2
View 0 replies
Tech - jroshan
What is a confidence interval?
A)🔹 Range of all data
B)🔹 Range of values likely for population
C)🔹 Interquartile range
D)🔹 Regression error
AI / ML Roadmap
youtube.com/shorts/sw-n3CYyEn...
AI vs ML vs DL vs Data Science
youtube.com/shorts/7t80_oZofX...
Why Feature Engineering
youtube.com/shorts/cGIebgSJ7L...
Machine Learning Over- fitting vs Under-Fitting
youtube.com/shorts/cNKtEshr59...
youtube.com/shorts/WxoKRlYyXO...
Bias- Variance Tradeoff
youtube.com/shorts/K4EoxbWMoA...
Python Complete Roadmap
https://youtu.be/ugn5lbCyfs4?feature=...
SQL Leet Code Questions
https://youtu.be/qKTo8V7QycM?feature=...
Data Science Roadmap
https://youtu.be/tseiCVfAI3g?feature=...
Python Operators
youtube.com/shorts/I-1UkDkv-T...
Data analysis to data science
https://youtu.be/JkNd2qEX7gM
Sql top interview questions
https://youtu.be/PNZ-uWdJULY
Why do companies need a data base or kaha store karti hai
youtube.com/shorts/5EOrWdHS5Y...
Customer did not make any transition 1581
https://youtu.be/aBkUzZjkFi0
Leet code 1667
youtube.com/shorts/M4evfrcRlr...
🔥 Join Groups for the latest Update and Notes:-
whatsapp.com/channel/0029Va53iL3D8SE74GZFsz3i
🎯 Test Your SQL Skills – Free Quiz!
forms.gle/Afux5noATe5qRgB9A
🌈Join my YouTube channel for in-depth discussions
youtube.com/@tech_jroshan
🔗let's build a strong professional community together. Connect now!
www.linkedin.com/in/roshan-jha-tech
Please ping your questions or query 🔥
#Python #SQL #DataAnalysis #DataScience #LeetCode #ProblemSolving #Statistics #InterviewQuestions #MachineLearningEngineering
5 days ago | [YT] | 4
View 0 replies
Tech - jroshan
Central Limit Theorem applies when sample size is:
A)🔸 < 10
B) 🔸< 20
C) 🔸≥ 30
D) 🔸≥ 5
Why Feature Engineering
youtube.com/shorts/cGIebgSJ7L...
Machine Learning Over- fitting vs Under-Fitting
youtube.com/shorts/cNKtEshr59...
youtube.com/shorts/WxoKRlYyXO...
Bias- Variance Tradeoff
youtube.com/shorts/K4EoxbWMoA...
Python Complete Roadmap
https://youtu.be/ugn5lbCyfs4?feature=...
SQL Leet Code Questions
https://youtu.be/qKTo8V7QycM?feature=...
Data Science Roadmap
https://youtu.be/tseiCVfAI3g?feature=...
Python Operators
youtube.com/shorts/I-1UkDkv-T...
Data analysis to data science
https://youtu.be/JkNd2qEX7gM
Life experiences share
youtube.com/shorts/BxLzgL7wXr...
Sql top interview questions
https://youtu.be/PNZ-uWdJULY
Why Companies need data base or kaha store karti hai
youtube.com/shorts/5EOrWdHS5Y...
Coding is important
youtube.com/shorts/aXCAhGZoo6...
Data science is easy or hard
youtube.com/shorts/g2mZkgt4VO...
Python is easy
youtube.com/shorts/6hSPAeaUOq...
Customer did not make any transition 1581
https://youtu.be/aBkUzZjkFi0
Leet code 1667
youtube.com/shorts/M4evfrcRlr...
Leet code 1068
youtube.com/shorts/qw_AVC8ggj...
🔥 Join Groups for the latest Update and Notes:-
whatsapp.com/channel/0029Va53iL3D8SE74GZFsz3i
🎯 Test Your SQL Skills – Free Quiz!
forms.gle/Afux5noATe5qRgB9A
🌈Join my YouTube channel for in-depth discussions
youtube.com/@tech_jroshan
🔗let's build a strong professional community together. Connect now!
www.linkedin.com/in/roshan-jha-tech
Please ping your questions or query 🔥
#Python #SQL #DataAnalysis #DataScience #LeetCode #ProblemSolving #Statistics #InterviewQuestions #MachineLearningEngineering
1 week ago | [YT] | 3
View 0 replies
Tech - jroshan
Correlation = 0 means:
A) 🔹No relationship
B) 🔹Perfect relationship
C) 🔹Strong non-linear
D) 🔹 Weak linear
Why Feature Engineering
youtube.com/shorts/cGIebgSJ7L...
Machine Learning Over- fitting vs Under-Fitting
youtube.com/shorts/cNKtEshr59...
Bias- Variance Tradeoff
youtube.com/shorts/K4EoxbWMoA...
Python Complete Roadmap
https://youtu.be/ugn5lbCyfs4?feature=...
SQL Leet Code Questions
https://youtu.be/qKTo8V7QycM?feature=...
Data Science Roadmap
https://youtu.be/tseiCVfAI3g?feature=...
Python Operators
youtube.com/shorts/I-1UkDkv-T...
Data analysis to data science
https://youtu.be/JkNd2qEX7gM
Life experiences share
youtube.com/shorts/BxLzgL7wXr...
Sql top interview questions
https://youtu.be/PNZ-uWdJULY
Why Companies need data base or kaha store karti hai
youtube.com/shorts/5EOrWdHS5Y...
Coding is important
youtube.com/shorts/aXCAhGZoo6...
Data science is easy or hard
youtube.com/shorts/g2mZkgt4VO...
Python is easy
youtube.com/shorts/6hSPAeaUOq...
Customer did not make any transition 1581
https://youtu.be/aBkUzZjkFi0
Leet code 1667
youtube.com/shorts/M4evfrcRlr...
Leet code 1068
youtube.com/shorts/qw_AVC8ggj...
🔥 Join Groups for the latest Update and Notes:-
whatsapp.com/channel/0029Va53iL3D8SE74GZFsz3i
🎯 Test Your SQL Skills – Free Quiz!
forms.gle/Afux5noATe5qRgB9A
🌈Join my YouTube channel for in-depth discussions
youtube.com/@tech_jroshan
🔗let's build a strong professional community together. Connect now!
www.linkedin.com/in/roshan-jha-tech
Please ping your questions or query 🔥
#Python #SQL #DataAnalysis #DataScience #LeetCode #ProblemSolving #Statistics #InterviewQuestions #MachineLearningEngineering
1 week ago | [YT] | 1
View 0 replies
Tech - jroshan
Histogram is used to show:
A) 🔹Categories
B) 🔹Frequency distribution
C) 🔹Trends
D) 🔹Correlation
1. 🔹Python Complete Roadmap
https://youtu.be/ugn5lbCyfs4?feature=...
2. 🔹SQL Leet Code Questions
https://youtu.be/qKTo8V7QycM?feature=...
3. 🔹 Data Science Roadmap
https://youtu.be/tseiCVfAI3g?feature=...
4. 🔹Python Operators
youtube.com/shorts/I-1UkDkv-T...
Data analysis to data science
https://youtu.be/JkNd2qEX7gM
Life experiences share
youtube.com/shorts/BxLzgL7wXr...
Sql top interview questions
https://youtu.be/PNZ-uWdJULY
Why Companies need data base or kaha store karti hai
youtube.com/shorts/5EOrWdHS5Y...
Coding is important
youtube.com/shorts/aXCAhGZoo6...
Data science is easy or hard
youtube.com/shorts/g2mZkgt4VO...
Python is easy
youtube.com/shorts/6hSPAeaUOq...
Customer did not make any transition 1581
https://youtu.be/aBkUzZjkFi0
Leet code 1667
youtube.com/shorts/M4evfrcRlr...
Leet code 1068
youtube.com/shorts/qw_AVC8ggj...
🔥 Join Groups for the latest Update and Notes:-
whatsapp.com/channel/0029Va53iL3D8SE74GZFsz3i
🎯 Test Your SQL Skills – Free Quiz!
forms.gle/Afux5noATe5qRgB9A
🌈Join my YouTube channel for in-depth discussions
youtube.com/@tech_jroshan
🔗let's build a strong professional community together. Connect now!
www.linkedin.com/in/roshan-jha-tech
Please ping your questions or query 🔥
#Python #SQL #DataAnalysis #DataScience #LeetCode #ProblemSolving #Statistics #InterviewQuestions #MachineLearningEngineering
2 weeks ago | [YT] | 2
View 0 replies
Tech - jroshan
Z-score tells you:
A) 🔸Distance from mean in standard deviations
B) 🔸Distance from median
C) 🔸Distance from mode
D) 🔸 Data type
1. 🔹Python Complete Roadmap
https://youtu.be/ugn5lbCyfs4?feature=...
2. 🔹SQL Leet Code Questions
https://youtu.be/qKTo8V7QycM?feature=...
3. 🔹 Data Science Roadmap
https://youtu.be/tseiCVfAI3g?feature=...
4. 🔹Python Operators
youtube.com/shorts/I-1UkDkv-T...
Data analysis to data science
https://youtu.be/JkNd2qEX7gM
Life experiences share
youtube.com/shorts/BxLzgL7wXr...
Sql top interview questions
https://youtu.be/PNZ-uWdJULY
Why Companies need data base or kaha store karti hai
youtube.com/shorts/5EOrWdHS5Y...
Coding is important
youtube.com/shorts/aXCAhGZoo6...
Data science is easy or hard
youtube.com/shorts/g2mZkgt4VO...
Python is easy
youtube.com/shorts/6hSPAeaUOq...
Customer did not make any transition 1581
https://youtu.be/aBkUzZjkFi0
Leet code 1667
youtube.com/shorts/M4evfrcRlr...
Leet code 1068
youtube.com/shorts/qw_AVC8ggj...
🔥 Join Groups for the latest Update and Notes:-
whatsapp.com/channel/0029Va53iL3D8SE74GZFsz3i
🎯 Test Your SQL Skills – Free Quiz!
forms.gle/Afux5noATe5qRgB9A
🌈Join my YouTube channel for in-depth discussions
youtube.com/@tech_jroshan
🔗let's build a strong professional community together. Connect now!
www.linkedin.com/in/roshan-jha-tech
Please ping your questions or query 🔥
#Python #SQL #DataAnalysis #DataScience #LeetCode #ProblemSolving #Statistics #InterviewQuestions #MachineLearningEngineering
2 weeks ago | [YT] | 2
View 0 replies
Tech - jroshan
What happens if p-value < 0.05?
A)🔹 Accept null hypothesis
B)🔹 Reject null hypothesis
C)🔹 p-value invalid
D)🔹 Increase sample size
1. 🔹Python Complete Roadmap
https://youtu.be/ugn5lbCyfs4?feature=...
2. 🔹SQL Leet Code Questions
https://youtu.be/qKTo8V7QycM?feature=...
3. 🔹 Data Science Roadmap
https://youtu.be/tseiCVfAI3g?feature=...
4. 🔹Python Operators
youtube.com/shorts/I-1UkDkv-T...
Data analysis to data science
https://youtu.be/JkNd2qEX7gM
Life experiences share
youtube.com/shorts/BxLzgL7wXr...
Sql top interview questions
https://youtu.be/PNZ-uWdJULY
Why Companies need data base or kaha store karti hai
youtube.com/shorts/5EOrWdHS5Y...
Coding is important
youtube.com/shorts/aXCAhGZoo6...
Data science is easy or hard
youtube.com/shorts/g2mZkgt4VO...
Python is easy
youtube.com/shorts/6hSPAeaUOq...
Customer did not make any transition 1581
https://youtu.be/aBkUzZjkFi0
Leet code 1667
youtube.com/shorts/M4evfrcRlr...
Leet code 1068
youtube.com/shorts/qw_AVC8ggj...
🔥 Join Groups for the latest Update and Notes:-
whatsapp.com/channel/0029Va53iL3D8SE74GZFsz3i
🎯 Test Your SQL Skills – Free Quiz!
forms.gle/Afux5noATe5qRgB9A
🌈Join my YouTube channel for in-depth discussions
youtube.com/@tech_jroshan
🔗let's build a strong professional community together. Connect now!
www.linkedin.com/in/roshan-jha-tech
Please ping your questions or query 🔥
#Python #SQL #DataAnalysis #DataScience #LeetCode #ProblemSolving #Statistics #InterviewQuestions #MachineLearningEngineering
2 weeks ago | [YT] | 1
View 0 replies
Tech - jroshan
What is the difference between np.copy() and np.view()?
A.🔹 copy() creates new data, view() creates a shallow reference
B.🔹copy() creates a shallow reference, view() creates deep copy
C.🔹 Both create new independent arrays
D.🔹 Both point to same memory
1. 🔹Python Complete Roadmap
https://youtu.be/ugn5lbCyfs4?feature=...
2. 🔹SQL Leet Code Questions
https://youtu.be/qKTo8V7QycM?feature=...
3. 🔹 Data Science Roadmap
https://youtu.be/tseiCVfAI3g?feature=...
4. 🔹Python Operators
youtube.com/shorts/I-1UkDkv-T...
Data analysis to data science
https://youtu.be/JkNd2qEX7gM
Life experiences share
youtube.com/shorts/BxLzgL7wXr...
Sql top interview questions
https://youtu.be/PNZ-uWdJULY
Why Companies need data base or kaha store karti hai
youtube.com/shorts/5EOrWdHS5Y...
Coding is important
youtube.com/shorts/aXCAhGZoo6...
Data science is easy or hard
youtube.com/shorts/g2mZkgt4VO...
Python is easy
youtube.com/shorts/6hSPAeaUOq...
Customer did not make any transition 1581
https://youtu.be/aBkUzZjkFi0
Leet code 1667
youtube.com/shorts/M4evfrcRlr...
Leet code 1068
youtube.com/shorts/qw_AVC8ggj...
🔥 Join Groups for the latest Update and Notes:-
whatsapp.com/channel/0029Va53iL3D8SE74GZFsz3i
🎯 Test Your SQL Skills – Free Quiz!
forms.gle/Afux5noATe5qRgB9A
🌈Join my YouTube channel for in-depth discussions
youtube.com/@tech_jroshan
🔗let's build a strong professional community together. Connect now!
www.linkedin.com/in/roshan-jha-tech
Please ping your questions or query 🔥
#Python #SQL #DataAnalysis #DataScience #LeetCode #ProblemSolving #Statistics #InterviewQuestions #MachineLearningEngineering
3 weeks ago | [YT] | 2
View 0 replies
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