Data usia sekelompok orang disajikan dalam diagram berikut. Hamparan data di atas adalah ....

<p>Jawaban : 12</p><p>&nbsp;</p><p>Rumus kuartil data ganjil</p><p>▪️ Kuartil bawah: Q1 = x_(1/4 (n+1))</p><p>▪️ Kuartil tengah: Q2 = x_(1/2 (n+1))</p><p>▪️ Kuartil atas: Q3 = x_(3/4 (n+1))</p><p>▪️ Hamparan/Jangkauan antar kuartil pada data tunggal</p><p>H = Q3 - Q1</p><p>&nbsp;</p><p>dimana x_n: data ke-n</p><p>&nbsp;</p><p>Dari data, buat tabel frekuensi terlebih dahulu agar lebih mudah dibaca.</p><p>Usia &nbsp; | &nbsp;Frekuensi</p><p>_______________</p><p>10 &nbsp; &nbsp; &nbsp; | 5</p><p>13 &nbsp; &nbsp; &nbsp; | 8</p><p>15 &nbsp; &nbsp; &nbsp; | 7</p><p>18 &nbsp; &nbsp; &nbsp; | 6</p><p>20 &nbsp; &nbsp; &nbsp; | 5</p><p>25 &nbsp; &nbsp; &nbsp; | 8</p><p>32 &nbsp; &nbsp; &nbsp; | 4</p><p>_______________</p><p>Jumlah &nbsp;| 43</p><p>&nbsp;</p><p>Q1 = x_(1/4 (n+1))</p><p>= x_(1/4 (43+1))</p><p>= x_(1/4 (44))</p><p>= x_(11)</p><p>= 13</p><p>&nbsp;</p><p>Q3 = x_(3/4 (n+1))</p><p>= x_(3/4 (43+1))</p><p>= x_(3/4 (44))</p><p>= x_(33)</p><p>= 25</p><p>&nbsp;</p><p>Hamparan</p><p>H = Q3 - Q1</p><p>= 25 - 13</p><p>= 12</p><p>&nbsp;</p><p>Jadi, hamparan dari data di atas adalah 12.</p>