Tolong dijawab ya kk dikumpul besok Nomer 5a dan 5b

<p>Dik: nilai 25 anak&nbsp;</p><ul><li>9:3</li><li>8:4</li><li>7:7</li><li>6:4</li><li>5:6</li><li>4:1</li></ul><p>Dit: a. Rata rata</p><p>&nbsp; &nbsp; &nbsp; &nbsp;b. Modus</p><p>Jwb:&nbsp;</p><p>a. Rata rata: ((9×3)+(8×4)+(7×7)+(6×4)+(5×6)+(4×1))÷25</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = (27+32+49+24+30+4) ÷ 25</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 166 ÷ 25</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 6.64</p><p>b. Modus: 7</p>