Example 4 (basic statistics for Social Sciences 1, page 202) data from a damaged item number X from.The transport of goods, sales agent Y from collecting random order are all 30 times summary.The data has the following information:ΣX = 90 ΣX2 = 900 ΣXY = 4750 ΣY =1800 ΣY2 =113000
การแปล กรุณารอสักครู่..