2.Berikut disajikan dua rangkaian data sampel gaji karyawan PT A dan PT B (dalam ribuan rupiah) PT A : 250,275,225,210,290,350,290,300,325,300,281.5 (rata-rata = 281,500 dan simpangan baku = 43,143.82) PT B : 100,110,90,110,160,75,90,80,80,100,99.5 (rata-rata =99,500 dan simpangan baku = 24,545.88)