Mathematics · Statistics
दो स्वतंत्र नमूनों (samples) के लिए निम्नलिखित डेटा उपलब्ध है: विशेषतानमूना-1नमूना-2नमूना आकार (Sample size)810नमूना माध्य (Sample mean)191199नमूना मानक विचलन (Sample SD)1012 तो t-सांख्यिकी (t-statistic) का मान है:
- 1-1.10
- 2-1.74
- 3-1.54✓
- 4+1.54
सही उत्तर देखें
-1.54
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