📊𝐒𝐭𝐚𝐭𝐢𝐬𝐭𝐢𝐜𝐬_𝐈𝐧𝐝𝐢𝐚🇮🇳

Q24. Categorical variable refers to a variable for which the measurement scale is: (a). Ordinal (b). Nominal (c). Can be ordinal or nominal (d). Continuous #datacenter #dataanalytics #DataScience #dataanalysis #science #Statistics https://t.me/statistics_india

🎲 Basics of Probability https://youtu.be/x2QzuOXt6kc?si=EbiAeFf-3TymVFd1 1.   All Important Terminology regards Probability () 2.   Classical Definitions () 3.   Axiomatic Definitions () 4.   Hypothetical Definitions () 5.   Low of Conditional Probability 6.   Others Conditions & Results of Probability https://youtube.com/@statistics_india/ https://wa.me/channel/0029Vadop5ZBfxoF9Lq8h015 https://www.instagram.com/statistics_india https://t.me/statistics_india https://www.fb.com/statistics_india https://www.threads.net/@statistics_india

📍Official Statistics YouTube Video Series Ⓜ️🅿️ For 👨🏻‍💼Research Officer, 🧑🏻‍💼Research Assistant and 👩🏻‍🏭Statistical Assistant Exam Based Syllabus 📖📚📑 Part 1 - History of Statistics in India https://youtu.be/Nzt5XKb6kts Part 2 - National and State Statistical System https://youtu.be/jwrJhnJGIHs Part 3 - Official Statistics - Collection to Publication https://youtu.be/fGEU4ZGfKTE Part 4 - 1.NSO -Vision and Mission NSSO History, Role, Responsibility, Main Activities and Publication https://youtu.be/0o-mwccsobc Part 5 - Central Statistics Office History, Role, Responsibility, Main Activities https://youtu.be/o5fXzz8iXcU Part 6- National Statistical Commission https://youtu.be/I_kiNvhofrI Part 7 - Health Statistics (Sector Wise) https://youtu.be/CShEOo5Zd-c Part 8 - Agriculture Statistics https://youtu.be/g7Me1VlGAY0 Part 9 - Education Statistics https://youtu.be/cCAFt3K3pk0 Part 10 - Women and Child Statistics https://youtu.be/oMHfQZrJEzQ Part 11 - State and National Accounts https://youtu.be/Zo_ch2eBDiI Part -12 Vital Statistics https://youtu.be/YW11bLsnCEM Part 13- The Collection of Statistics Act 2008 & 2017 and Rules 2011 https://youtu.be/9Z22HVgrIOg Part -14 Previous Exam Paper Solved Official Statistics https://youtu.be/ph6Hf7ATEW4 📍Data વર્તમાન પ્રવાહ મુજબ અધ્યતન ધ્યાનમાં લેવા.

વર્તમાને ગુજરાત સરકારમાં સામાન્ય વહીવટ વિભાગ હેઠળના ખાતાના વડા હસ્તકની (૧) સંશોધન મદદનીશ અને (૨) આંકડા મદદનીશની ભરતી કરવા સબંધિત જાહેરાત ગુજરાત ગૌણ સેવા પસંદગી મંડળ દ્વારા જાહેરાત ક્રમાંક- ૪૫૭-૨૦૨૬૨૭ જાહેર કરવામાં આવેલ છે. 🎯જેમાં કુલ જગ્યાઓ પૈકી (૧) સંશોધન મદદનીશ - ૧૮ તથા (૨) આંકડા મદદનીશની ૨૩ મળી કુલ ૪૧ જગ્યાઓ ભરવામાં આવનાર છે. ❗️ઘણા બધા ઉમેદવારો આ પરીક્ષામાં ઉતીર્ણ થવા તૈયારી કરતાં હોય છે, પણ શરૂઆત ક્યાંથી કરવી અને કેવી રીતે કરવી તે મુઝવણમાં હોય છે. સાથે સાથે સૌથી મહત્વની બાબત કે અભ્યાસક્રમ મુજબ પુસ્તકો ક્યાંથી અને કયા પ્રકાશનના વાંચન કરવા તથા તેમાં પરીક્ષાનું લેવલ કેવું રહેશે? આઅ સમ્રગ બાબતો મુઝવતી હોય છે, તે સહજ છે અને અસમંજસ ને દૂર કરવા નીચે આપના અભ્યાસક્રમ મુજબ થોડી માહિતી શેર કરવાનો પ્રયત્ન કરીએ છીએ. આગળ આપના ઉપયોગી અને જરૂરિયાત જણાતા ગ્રૂપમાં શેર કરશો. ✅આ સાથે ઘણા બધા પ્રશ્નો મનમાં ઘૂઘવતાં હોય છે તો અમો હંમેશા માર્ગદર્શન આપતા હોઈએ છીએ અને અગાઉ ઘણા બધા સ્પર્ધકોના માર્ગદર્શક બની સફળતામાં સહભાગી થયા છીએ. આ મદદ કરવાનો ભાવાર્થ નિશુલ્ક છે, એટલે કોઈએ ક્લાસીસ સબંધિત પૃચ્છા ન કરવી. 📲માત્ર માર્ગદર્શન મેળવવા નીચે આપેલ સોશિયલ મીડિયા મારફતે follow કરી શકો છો. અને @mehulpatel_official પર મેસેજ કરી શકો છો. 📚હવે આપના અભ્યાસક્રમ વિષે જણાવીએ તો પરીક્ષા પેટર્ન ને ભાગમાં રહેવાની છે. ભાગ- A = 90 Marks, (1) Reasoning & Data Interpretation - (૧) તાર્કિક કસોટીઓ તથા ડેટા ઇન્ટરપ્રિટેશન (૩૦ પ્રશ્નો/૩૦ માર્કસ) (2) Quantitative Aptitude - (૩૦ પ્રશ્નો/૩૦ માર્કસ) (3) Constitution of India - (10 Questions, 10 Marks) (4) Current Affairs - (10 Questions, 10 Marks) (5) Comprehension ગુજરાતી & English - (10 Questions, 10 Marks) ભાગ - B = 120 Marks (1) Questions and Its Applications related to Educational Qualification (30 Marks) 1. BASIC STATISTICS 2. PROBABILITY 3. PROBABILITY DISTRIBUTIONS 4. SAMPLING THEORY 5. TESTING OF HYPOTHESIS 6. INDEX NUMBER 7. CORRELATION AND REGRESSION 8. TIME SERIES ANALYSIS 9. VITAL STATISTICS (2) OFFICIAL STATISTICS (30 Marks) (3) MATHEMATICS (30 Marks) (4) ECONOMICS (30 Marks) https://youtube.com/@statistics_india/ https://wa.me/channel/0029Vadop5ZBfxoF9Lq8h015 https://www.instagram.com/statistics_india https://t.me/statistics_india https://www.fb.com/statistics_india https://www.threads.net/@statistics_india

Q23. Consider that a random variable X follow a Gaussian distribution with mean 10 and variance 25, then its mean deviation will be approximated to: (a). 5/4 (b). 25 (c). 16 (d). 4 #Statistics #StatisticalAnalysis #datascience #datacenter #dataanalytics #dataanalysis

Q22. The value of a correlation coefficient is reported by a researcher to be r = −0.5. Which of the following statement is correct? (a). the X-variable explains −25% of the variability in the y-variable. (b). the X-variable explains 25% of the variability in the y-variable. (c). the X-variable explains −50% of the variability in the y-variable. (d). the X-variable explains 50% of the variability in the y-variable. Put your Answer in Comments 👇🏻

🔆 WHAT INDIA’S GROWTH REALLY MEANS 📍 Why in News? 🟢 India recorded 7.8% real GDP growth in April–June 2026, exceeding the RBI’s 7% forecast despite geopolitical tensions, high energy prices and uncertain trade conditions. 🟢 The article examines whether India’s economic growth is translating into higher productivity, employment, private investment and broad-based prosperity. 📍 India’s Economic Growth: Key Highlights 🟢 Real GDP growth: 7.2% in 2023–24, 7.1% in 2024–25, 7.7% in 2025–26 and 7.8% in April–June 2026. 🟢 Real GDP: ₹81.36 lakh crore. 🟢 Real Gross Value Added (GVA): ₹73.82 lakh crore, growing by 8.2%. 🟢 Manufacturing: Grew by 9.2%. 🟢 Utilities: Grew by 8.9%. 🟢 Construction: Grew by 7.7%. 🟢 Services: Grew by 10%, led by finance, real estate, IT and professional services. 🟢 Agriculture: Grew by 3.6%, while mining contracted by 2.4%. 📍 Drivers of Economic Growth 🟢 Investment: Gross Fixed Capital Formation grew by 11.9%. 🟢 Private consumption: Increased by 7.1%. 🟢 Exports: Grew by 12%. 🟢 Public investment: General government investment accounted for 4.2% of GDP, while total public-sector investment was 7.8%. 🟢 Non-public investment: Including household investment, private corporations and unincorporated businesses, accounted for 24.1% of GDP. 📍 Changing GDP Base Year 🟢 India is updating its GDP base year from 2011–12 to 2022–23. 🟢 A base-year revision updates the prices and economic structure used to measure GDP. 🟢 It incorporates changes in consumption patterns, production, services and emerging economic activities. 🟢 Revised estimates may change measured growth rates, but a change in measurement does not itself increase or decrease actual economic activity. 📍 India’s Growth in Global Context 🟢 India’s reported growth of 7.8% exceeded the growth rates cited for Malaysia (6%), Singapore (5.9%), Indonesia (5.2%) and China (4.3%). 🟢 India’s expanding market creates opportunities for global demand, diversified supply chains and industrial investment. 🟢 Becoming the world’s third-largest economy in nominal terms would also depend on exchange rates and price movements. 📍 Employment: The Decisive Test 🟢 According to RBI KLEMS-based data cited in the article, India added 17.19 crore jobs between 2014–15 and 2023–24. 🟢 Sustained growth must translate into productive employment, better wages and improved job quality. 🟢 Women’s labour force participation reached 41.7% in 2023–24, highlighting the importance of childcare, safe transport and flexible work. 🟢 Manufacturing needs to move beyond assembly towards design, components, machinery and electronics. 🟢 Services must expand beyond metros into tourism, healthcare, education, logistics, finance and digital businesses. 📍 Challenges and Way Forward 🟢 Private investment: Predictable regulation, easier credit and stable taxation can encourage private capital formation. 🟢 Energy security: Diversify suppliers, strengthen strategic reserves, expand renewables and improve energy efficiency. 🟢 MSME competitiveness: Improve access to finance, testing facilities, certification, standards and export markets. 🟢 Technology: Strengthen domestic computing capacity, Indian-language digital technologies and research capabilities. 🟢 Trade: Improve the utilisation of Free Trade Agreements (FTAs) and help firms overcome non-tariff barriers. 🟢 Inclusive growth: Convert economic expansion into quality employment, higher productivity and broad-based household prosperity. 📍 UPSC Relevance 🟢 GS Paper III: Indian economy, growth and development, employment, investment and inclusive growth. 📍 Mains Question “High GDP growth does not automatically translate into broad-based prosperity. Discuss the importance of productivity, employment generation, private investment and inclusive development in sustaining India’s economic growth.” (150 words) #IndianEconomy

🔆 Does Inflation Targeting Work in India? 📍 Why in News? 🟢 India has completed a decade of inflation targeting (IT) as the formal monetary-policy framework of the RBI. 🟢 The framework targets 4% CPI inflation with a tolerance band of ±2 percentage points. 🟢 Recent analysis suggests India’s Phillips Curve is nearly flat, raising questions about the effectiveness and costs of inflation targeting. 📍 How Inflation Targeting Works 🟢 Demand channel: RBI raises interest rates → borrowing becomes costlier → consumption & investment fall → demand and inflation decline. 🟢 Expectations channel: Credible inflation targeting anchors inflation expectations → firms moderate price increases and workers moderate wage demands. 📍 Key Findings for India 🟢 India’s Phillips Curve appears flat, implying weak relationship between output/employment and inflation. 🟢 A flat Phillips Curve means reducing output may not produce a proportionate reduction in inflation. 🟢 Household inflation expectations have remained consistently higher than RBI projections. 🟢 This raises concerns that tight monetary policy could impose costs on output and employment without sufficiently reducing inflation. 📍 Why Phillips Curve May Be Weak in India? 🟢 A large share of workers have weak bargaining power and are effectively price-takers. 🟢 Wages may therefore not rise significantly with changes in output/employment. 🟢 India’s inflation is also influenced by food and supply-side factors, which monetary policy cannot directly control. 📍 Way Forward 🟢 Strengthen inflation-expectation management and monetary-policy communication. 🟢 Address supply-side sources of inflation through agricultural, logistics and storage reforms. 🟢 Maintain a balance between price stability, growth and employment rather than relying solely on demand compression. #Economy

📊 P-Value — How Strong Is Your Evidence? 🔹 P < 0.05 → Statistically significant ✅ 🔹 P ≥ 0.05 → Not statistically significant ❌ 💡 Smaller P-value = Stronger evidence against H₀ #PValue #Statistics #HypothesisTesting #DataAnalysis #StatsLab #statistics_india

A study reports a Pearson correlation of r = -0.82 between hours of social media use and exam scores. Which statement is most accurate? A. Increasing social media use causes exam scores to decrease. B. There is a strong negative linear association between the two variables. C. 82% of the variation in exam scores is explained by social media use. D. The relationship must be nonlinear because r is negative. Choose A, B, C, or D. #statistics #Statistics #DataAnalysis https://t.me/statistics_india