48 lines
2.7 KiB
XML
48 lines
2.7 KiB
XML
<svg width="620" height="280" xmlns="http://www.w3.org/2000/svg">
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<!-- Baseline axis -->
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<line x1="40" y1="220" x2="580" y2="220" stroke="#333" stroke-width="1.5"/>
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<!-- Bell curve (null distribution) -->
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<path d="M 50,218 C 80,216 130,200 180,160 C 220,128 260,68 310,55 C 360,68 400,128 440,160 C 490,200 540,216 570,218" fill="#3498db" opacity="0.12" stroke="#3498db" stroke-width="2"/>
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<!-- Mean label -->
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<line x1="310" y1="50" x2="310" y2="220" stroke="#333" stroke-width="1" stroke-dasharray="4,3"/>
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<text x="310" y="240" fill="#333" font-size="11" text-anchor="middle">μ₀ (null value)</text>
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<!-- Right rejection region shading -->
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<path d="M 460,185 C 475,195 500,210 520,215 C 540,218 560,218 570,218 L 570,220 L 460,220 Z" fill="#e74c3c" opacity="0.35"/>
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<!-- Left rejection region shading -->
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<path d="M 160,185 C 145,195 120,210 100,215 C 80,218 60,218 50,218 L 50,220 L 160,220 Z" fill="#e74c3c" opacity="0.35"/>
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<!-- Critical value lines -->
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<line x1="160" y1="180" x2="160" y2="225" stroke="#e74c3c" stroke-width="2"/>
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<text x="160" y="250" fill="#e74c3c" font-size="10" text-anchor="middle">-z_crit</text>
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<line x1="460" y1="180" x2="460" y2="225" stroke="#e74c3c" stroke-width="2"/>
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<text x="460" y="250" fill="#e74c3c" font-size="10" text-anchor="middle">+z_crit</text>
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<!-- Rejection region labels -->
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<text x="90" y="200" fill="#e74c3c" font-size="10" font-weight="bold" text-anchor="middle">Reject H₀</text>
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<text x="530" y="200" fill="#e74c3c" font-size="10" font-weight="bold" text-anchor="middle">Reject H₀</text>
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<!-- Fail to reject region label -->
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<text x="310" y="170" fill="#3498db" font-size="11" font-weight="bold" text-anchor="middle">Fail to reject H₀</text>
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<!-- Test statistic marker -->
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<line x1="490" y1="165" x2="490" y2="225" stroke="#27ae60" stroke-width="2.5"/>
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<circle cx="490" cy="165" r="4" fill="#27ae60"/>
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<text x="490" y="265" fill="#27ae60" font-size="11" font-weight="bold" text-anchor="middle">test statistic</text>
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<!-- p-value annotation -->
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<path d="M 490,175 C 510,195 540,212 570,218 L 570,220 L 490,220 Z" fill="#27ae60" opacity="0.3"/>
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<path d="M 510,190 C 520,180 535,172 545,172" fill="none" stroke="#27ae60" stroke-width="1.5"/>
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<text x="555" y="170" fill="#27ae60" font-size="11" font-weight="bold">p-value</text>
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<text x="555" y="183" fill="#27ae60" font-size="10">(area in tail)</text>
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<!-- Alpha labels -->
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<text x="90" y="178" fill="#e74c3c" font-size="10" text-anchor="middle">α/2</text>
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<text x="530" y="178" fill="#e74c3c" font-size="10" text-anchor="middle">α/2</text>
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<!-- Title -->
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<text x="310" y="25" fill="#333" font-size="14" font-weight="bold" text-anchor="middle">Two-Tailed Hypothesis Test</text>
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</svg> |