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<title>QnA fy - Recent questions tagged পরিসংখ্যান</title>
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<title>&#039;বুটস্ট্র্যাপিং&#039; (Bootstrapping) কী?</title>
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<pubDate>Thu, 15 May 2025 17:40:45 +0000</pubDate>
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<title>&#039;কাই-স্কয়ার টেস্ট&#039; (Chi-square Test) কখন ব্যবহার করা হয়?</title>
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<pubDate>Thu, 15 May 2025 17:40:01 +0000</pubDate>
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<title>&#039;প্যারামেট্রিক টেস্ট&#039; (Parametric Test) কী?</title>
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<title>&#039;রেশিও স্কেল&#039; (Ratio Scale) কী?</title>
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<title>&#039;ইন্টারভাল স্কেল&#039; (Interval Scale) কী?</title>
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<title>&#039;অর্ডিনাল স্কেল&#039; (Ordinal Scale) কী?</title>
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<pubDate>Thu, 15 May 2025 17:35:49 +0000</pubDate>
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<title>&#039;ভেরিয়েবল&#039; (Variable) এর স্কেল কত প্রকার ও কী কী?</title>
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<title>&#039;সেন্ট্রাল লিমিট থিওরেম&#039; (Central Limit Theorem) কী?</title>
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<pubDate>Thu, 15 May 2025 17:34:20 +0000</pubDate>
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<title>&#039;ফ্রিকোয়েন্সি ডিস্ট্রিবিউশন&#039; (Frequency Distribution) কী?</title>
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<title>&#039;বক্স প্লট&#039; (Box Plot) কীসের তথ্য দেখায়?</title>
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<title>&#039;লাইন গ্রাফ&#039; (Line Graph) কীসের জন্য ব্যবহৃত হয়?</title>
<link>https://qnafy.com/10735/%E0%A6%B2%E0%A6%BE%E0%A6%87%E0%A6%A8-%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%BE%E0%A6%AB-line-graph-%E0%A6%95%E0%A7%80%E0%A6%B8%E0%A7%87%E0%A6%B0-%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF-%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%AC%E0%A6%B9%E0%A7%83%E0%A6%A4-%E0%A6%B9%E0%A6%AF%E0%A6%BC</link>
<category>Statistics</category>
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<pubDate>Thu, 15 May 2025 17:28:31 +0000</pubDate>
</item>
<item>
<title>&#039;বার চার্ট&#039; (Bar Chart) কীসের জন্য ব্যবহৃত হয়?</title>
<link>https://qnafy.com/10733/%E0%A6%AC%E0%A6%BE%E0%A6%B0-%E0%A6%9A%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%9F-bar-chart-%E0%A6%95%E0%A7%80%E0%A6%B8%E0%A7%87%E0%A6%B0-%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF-%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%AC%E0%A6%B9%E0%A7%83%E0%A6%A4-%E0%A6%B9%E0%A6%AF%E0%A6%BC</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10733/%E0%A6%AC%E0%A6%BE%E0%A6%B0-%E0%A6%9A%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%9F-bar-chart-%E0%A6%95%E0%A7%80%E0%A6%B8%E0%A7%87%E0%A6%B0-%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF-%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%AC%E0%A6%B9%E0%A7%83%E0%A6%A4-%E0%A6%B9%E0%A6%AF%E0%A6%BC</guid>
<pubDate>Thu, 15 May 2025 17:27:17 +0000</pubDate>
</item>
<item>
<title>&#039;পাই চার্ট&#039; (Pie Chart) কীসের জন্য ব্যবহৃত হয়?</title>
<link>https://qnafy.com/10731/%E0%A6%AA%E0%A6%BE%E0%A6%87-%E0%A6%9A%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%9F-pie-chart-%E0%A6%95%E0%A7%80%E0%A6%B8%E0%A7%87%E0%A6%B0-%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF-%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%AC%E0%A6%B9%E0%A7%83%E0%A6%A4-%E0%A6%B9%E0%A6%AF%E0%A6%BC</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10731/%E0%A6%AA%E0%A6%BE%E0%A6%87-%E0%A6%9A%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%9F-pie-chart-%E0%A6%95%E0%A7%80%E0%A6%B8%E0%A7%87%E0%A6%B0-%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF-%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%AC%E0%A6%B9%E0%A7%83%E0%A6%A4-%E0%A6%B9%E0%A6%AF%E0%A6%BC</guid>
<pubDate>Thu, 15 May 2025 17:26:30 +0000</pubDate>
</item>
<item>
<title>&#039;হিস্টোগ্রাম&#039; (Histogram) কী?</title>
<link>https://qnafy.com/10729/%E0%A6%B9%E0%A6%BF%E0%A6%B8%E0%A7%8D%E0%A6%9F%E0%A7%8B%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%BE%E0%A6%AE-histogram-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10729/%E0%A6%B9%E0%A6%BF%E0%A6%B8%E0%A7%8D%E0%A6%9F%E0%A7%8B%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%BE%E0%A6%AE-histogram-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:25:28 +0000</pubDate>
</item>
<item>
<title>&#039;আউটলায়ার&#039; (Outlier) কী?</title>
<link>https://qnafy.com/10727/%E0%A6%86%E0%A6%89%E0%A6%9F%E0%A6%B2%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B0-outlier-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10727/%E0%A6%86%E0%A6%89%E0%A6%9F%E0%A6%B2%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B0-outlier-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:25:03 +0000</pubDate>
</item>
<item>
<title>&#039;বিয়াস&#039; (Bias) কী?</title>
<link>https://qnafy.com/10725/%E0%A6%AC%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B8-bias-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10725/%E0%A6%AC%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B8-bias-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:24:18 +0000</pubDate>
</item>
<item>
<title>&#039;কনফিডেন্স ইন্টারভাল&#039; (Confidence Interval) কী?</title>
<link>https://qnafy.com/10723/%E0%A6%95%E0%A6%A8%E0%A6%AB%E0%A6%BF%E0%A6%A1%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%B8-%E0%A6%87%E0%A6%A8%E0%A7%8D%E0%A6%9F%E0%A6%BE%E0%A6%B0%E0%A6%AD%E0%A6%BE%E0%A6%B2-confidence-interval-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10723/%E0%A6%95%E0%A6%A8%E0%A6%AB%E0%A6%BF%E0%A6%A1%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%B8-%E0%A6%87%E0%A6%A8%E0%A7%8D%E0%A6%9F%E0%A6%BE%E0%A6%B0%E0%A6%AD%E0%A6%BE%E0%A6%B2-confidence-interval-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:23:39 +0000</pubDate>
</item>
<item>
<title>&#039;টাইপ ২ এরর&#039; (Type II Error) কী?</title>
<link>https://qnafy.com/10721/%E0%A6%9F%E0%A6%BE%E0%A6%87%E0%A6%AA-%E0%A7%A8-%E0%A6%8F%E0%A6%B0%E0%A6%B0-type-ii-error-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10721/%E0%A6%9F%E0%A6%BE%E0%A6%87%E0%A6%AA-%E0%A7%A8-%E0%A6%8F%E0%A6%B0%E0%A6%B0-type-ii-error-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:23:01 +0000</pubDate>
</item>
<item>
<title>&#039;টাইপ ১ এরর&#039; (Type I Error) কী?</title>
<link>https://qnafy.com/10719/%E0%A6%9F%E0%A6%BE%E0%A6%87%E0%A6%AA-%E0%A7%A7-%E0%A6%8F%E0%A6%B0%E0%A6%B0-type-i-error-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10719/%E0%A6%9F%E0%A6%BE%E0%A6%87%E0%A6%AA-%E0%A7%A7-%E0%A6%8F%E0%A6%B0%E0%A6%B0-type-i-error-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:22:32 +0000</pubDate>
</item>
<item>
<title>&#039;সিগনিফিকেন্স লেভেল&#039; (Significance Level) বা &#039;আলফা&#039; (α) কী?</title>
<link>https://qnafy.com/10717/%E0%A6%B8%E0%A6%BF%E0%A6%97%E0%A6%A8%E0%A6%BF%E0%A6%AB%E0%A6%BF%E0%A6%95%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%B8-%E0%A6%B2%E0%A7%87%E0%A6%AD%E0%A7%87%E0%A6%B2-significance-level-%E0%A6%AC%E0%A6%BE-%E0%A6%86%E0%A6%B2%E0%A6%AB%E0%A6%BE-%CE%B1-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10717/%E0%A6%B8%E0%A6%BF%E0%A6%97%E0%A6%A8%E0%A6%BF%E0%A6%AB%E0%A6%BF%E0%A6%95%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%B8-%E0%A6%B2%E0%A7%87%E0%A6%AD%E0%A7%87%E0%A6%B2-significance-level-%E0%A6%AC%E0%A6%BE-%E0%A6%86%E0%A6%B2%E0%A6%AB%E0%A6%BE-%CE%B1-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:21:51 +0000</pubDate>
</item>
<item>
<title>&#039;পি-ভ্যালু&#039; (p-value) কী?</title>
<link>https://qnafy.com/10715/%E0%A6%AA%E0%A6%BF-%E0%A6%AD%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B2%E0%A7%81-p-value-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10715/%E0%A6%AA%E0%A6%BF-%E0%A6%AD%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B2%E0%A7%81-p-value-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:21:07 +0000</pubDate>
</item>
<item>
<title>&#039;অল্টারনেটিভ হাইপোথিসিস&#039; (Alternative Hypothesis) কী?</title>
<link>https://qnafy.com/10713/%E0%A6%85%E0%A6%B2%E0%A7%8D%E0%A6%9F%E0%A6%BE%E0%A6%B0%E0%A6%A8%E0%A7%87%E0%A6%9F%E0%A6%BF%E0%A6%AD-%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%AA%E0%A7%8B%E0%A6%A5%E0%A6%BF%E0%A6%B8%E0%A6%BF%E0%A6%B8-alternative-hypothesis-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10713/%E0%A6%85%E0%A6%B2%E0%A7%8D%E0%A6%9F%E0%A6%BE%E0%A6%B0%E0%A6%A8%E0%A7%87%E0%A6%9F%E0%A6%BF%E0%A6%AD-%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%AA%E0%A7%8B%E0%A6%A5%E0%A6%BF%E0%A6%B8%E0%A6%BF%E0%A6%B8-alternative-hypothesis-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:20:18 +0000</pubDate>
</item>
<item>
<title>&#039;নাল হাইপোথিসিস&#039; (Null Hypothesis) কী?</title>
<link>https://qnafy.com/10711/%E0%A6%A8%E0%A6%BE%E0%A6%B2-%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%AA%E0%A7%8B%E0%A6%A5%E0%A6%BF%E0%A6%B8%E0%A6%BF%E0%A6%B8-null-hypothesis-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10711/%E0%A6%A8%E0%A6%BE%E0%A6%B2-%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%AA%E0%A7%8B%E0%A6%A5%E0%A6%BF%E0%A6%B8%E0%A6%BF%E0%A6%B8-null-hypothesis-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:19:41 +0000</pubDate>
</item>
<item>
<title>হাইপোথিসিস টেস্টিং (Hypothesis Testing) কী?</title>
<link>https://qnafy.com/10709/%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%AA%E0%A7%8B%E0%A6%A5%E0%A6%BF%E0%A6%B8%E0%A6%BF%E0%A6%B8-%E0%A6%9F%E0%A7%87%E0%A6%B8%E0%A7%8D%E0%A6%9F%E0%A6%BF%E0%A6%82-hypothesis-testing-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10709/%E0%A6%B9%E0%A6%BE%E0%A6%87%E0%A6%AA%E0%A7%8B%E0%A6%A5%E0%A6%BF%E0%A6%B8%E0%A6%BF%E0%A6%B8-%E0%A6%9F%E0%A7%87%E0%A6%B8%E0%A7%8D%E0%A6%9F%E0%A6%BF%E0%A6%82-hypothesis-testing-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:18:59 +0000</pubDate>
</item>
<item>
<title>প্রতিগমন (Regression) কী?</title>
<link>https://qnafy.com/10707/%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%97%E0%A6%AE%E0%A6%A8-regression-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10707/%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A6%BF%E0%A6%97%E0%A6%AE%E0%A6%A8-regression-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:18:25 +0000</pubDate>
</item>
<item>
<title>সহসম্বন্ধ (Correlation) কী?</title>
<link>https://qnafy.com/10705/%E0%A6%B8%E0%A6%B9%E0%A6%B8%E0%A6%AE%E0%A7%8D%E0%A6%AC%E0%A6%A8%E0%A7%8D%E0%A6%A7-correlation-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10705/%E0%A6%B8%E0%A6%B9%E0%A6%B8%E0%A6%AE%E0%A7%8D%E0%A6%AC%E0%A6%A8%E0%A7%8D%E0%A6%A7-correlation-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:17:57 +0000</pubDate>
</item>
<item>
<title>নির্ভুলতা (Accuracy) এবং যথার্থতা (Precision) এর মধ্যে পার্থক্য কী?</title>
<link>https://qnafy.com/10703/%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AD%E0%A7%81%E0%A6%B2%E0%A6%A4%E0%A6%BE-accuracy-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%AF%E0%A6%A5%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%A5%E0%A6%A4%E0%A6%BE-precision-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%A7%E0%A7%8D%E0%A6%AF%E0%A7%87-%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%A5%E0%A6%95%E0%A7%8D%E0%A6%AF-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10703/%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AD%E0%A7%81%E0%A6%B2%E0%A6%A4%E0%A6%BE-accuracy-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%AF%E0%A6%A5%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%A5%E0%A6%A4%E0%A6%BE-precision-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%A7%E0%A7%8D%E0%A6%AF%E0%A7%87-%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%A5%E0%A6%95%E0%A7%8D%E0%A6%AF-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:17:09 +0000</pubDate>
</item>
<item>
<title>চলক (Variable) কত প্রকার ও কী কী?</title>
<link>https://qnafy.com/10701/%E0%A6%9A%E0%A6%B2%E0%A6%95-variable-%E0%A6%95%E0%A6%A4-%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%95%E0%A6%BE%E0%A6%B0-%E0%A6%93-%E0%A6%95%E0%A7%80-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10701/%E0%A6%9A%E0%A6%B2%E0%A6%95-variable-%E0%A6%95%E0%A6%A4-%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%95%E0%A6%BE%E0%A6%B0-%E0%A6%93-%E0%A6%95%E0%A7%80-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:16:13 +0000</pubDate>
</item>
<item>
<title>নমুনায়ন (Sampling) কী?</title>
<link>https://qnafy.com/10699/%E0%A6%A8%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%A8-sampling-%E0%A6%95%E0%A7%80</link>
<category>Statistics</category>
<guid isPermaLink="true">https://qnafy.com/10699/%E0%A6%A8%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%A8-sampling-%E0%A6%95%E0%A7%80</guid>
<pubDate>Thu, 15 May 2025 17:15:22 +0000</pubDate>
</item>
<item>
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