Diketahui data : 23, 22, 29, 32, 21, 24, 24, 23, 25, 30,31, 26, 27, 27, 28, 24, 25, 31, 26, 26, 27, 28, 30, 29, 28, 29, 28, 26, 27, 27. jika dibuat interval kelas dengan tepi bawah 19, 5 dan lebar kelas 3, maka banyak interval...<br />
a. 4<br />
b. 5<br />
c. 6<br />
d. 7<br />
e. 8<br /><br />
pakai cara ya.. mohon bantuannya