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33 lines
1.4 KiB
HTML
33 lines
1.4 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 mean of 4, 7, 7, 10, 12.</summary>
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<div class="book-question__solution">
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<p><strong>Answer:</strong> \(\frac{40}{5}=8\).</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">Find median of 5, 2, 9, 4, 11, 6.</summary>
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<div class="book-question__solution">
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<p><strong>Answer:</strong> Order: 2,4,5,6,9,11. Median \(=\frac{5+6}{2}=5.5\).</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">Find mode of 3, 5, 5, 5, 8, 8, 9.</summary>
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<div class="book-question__solution">
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<p><strong>Answer:</strong> 5.</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">For values 1,2,3 with frequencies 4,5,1, find mean.</summary>
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<div class="book-question__solution">
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<p><strong>Answer:</strong> \(\bar{x}=\frac{1(4)+2(5)+3(1)}{10}=\frac{17}{10}=1.7\).</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">Which average is best for house prices with extreme luxury homes?</summary>
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<div class="book-question__solution">
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<p><strong>Answer:</strong> Median (less affected by outliers).</p>
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</div>
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</details>
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</div>
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