RESEARCHPRACTICE Telegram 132
📊 یک لقمه #آمار

برای فهم پراکندگی داده‌ها، به سراغ شاخص‌های پراکندگی میریم:

🔹 دامنه (Range): تفاوت بزرگ‌ترین و کوچک‌ترین مقدار
🔹 واریانس: میانگین مربعات فاصله داده‌ها از میانگین
🔹 انحراف معیار (SD): ریشه دوم واریانس، پرکاربردترین شاخص پراکندگی


هرچه SD کمتر باشه، داده‌ها همگن‌ترند.



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📊 یک لقمه #آمار

برای فهم پراکندگی داده‌ها، به سراغ شاخص‌های پراکندگی میریم:

🔹 دامنه (Range): تفاوت بزرگ‌ترین و کوچک‌ترین مقدار
🔹 واریانس: میانگین مربعات فاصله داده‌ها از میانگین
🔹 انحراف معیار (SD): ریشه دوم واریانس، پرکاربردترین شاخص پراکندگی


هرچه SD کمتر باشه، داده‌ها همگن‌ترند.

BY 🇮🇷باشگاه مشق پژوهش


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