Mathematics · Correlation Coefficient
दिए गए चरों X और Y के बीच पीयरसन सहसंबंध गुणांक (Pearson's correlation coefficient) -0.8 है। यदि X के प्रत्येक अवलोकन को आधा कर दिया जाए और Y के प्रत्येक अवलोकन को दोगुना कर दिया जाए, तो नया पीयरसन सहसंबंध गुणांक किसके बराबर होगा?
- 1-0.81
- 2-0.80✓
- 3-0.79
- 4-0.82
सही उत्तर देखें
-0.80
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