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27 lines
1.1 KiB
HTML
27 lines
1.1 KiB
HTML
<div class="book-prose">
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<h2 id="checkpoints" class="book-prose__heading">Checkpoints</h2>
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<details class="book-question">
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<summary class="book-question__prompt">Find range of 12, 9, 15, 20, 13.</summary>
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<div class="book-question__solution">
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<p><strong>Answer:</strong> \(20-9=11\).</p>
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</div>
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</details>
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<details class="book-question">
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<summary class="book-question__prompt">If \(Q_1=18\), \(Q_3=31\), find IQR.</summary>
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<div class="book-question__solution">
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<p><strong>Answer:</strong> 13.</p>
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</div>
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</details>
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<details class="book-question">
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<summary class="book-question__prompt">Dataset A and B have same mean. A has SD 2, B has SD 8. Which is more consistent?</summary>
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<div class="book-question__solution">
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<p><strong>Answer:</strong> A (smaller SD).</p>
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</div>
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</details>
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<details class="book-question">
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<summary class="book-question__prompt">Why is IQR preferred over range when outliers exist?</summary>
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<div class="book-question__solution">
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<p><strong>Answer:</strong> IQR focuses on middle 50% and is less distorted by extreme values.</p>
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</div>
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</details>
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</div>
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