Business Statistics Discussion and Assignments

CalculationWorksheets.xlsx

Sheet1

Table: Invoice Experiment Error
Customer Size	Customer Location	Product Type	Number of Errors
-	-	-	15
+	-	-	18
-	+	-	6
+	+	-	2
-	-	+	19
+	-	+	23
-	+	+	16
+	+	+	21
Customer Size: Small (-), Large (+)
Customer Location: Foreign (-), Domestic (+)
Product Type: Commodity (-), Specialty (+)
Customer Size effect	average errors (large)	average errors (small)
2	16	14
Customer Location effect	average errors (Foreign)	average errors (domestic)
7.5	18.75	11.25
Product Type	average error (Commodity)	average error (specialty)
9.5	10.25	19.75
Interactions
Size x Location	+	Size x Product	+	Product x Location	+
	-		-		+
	-		+		-
	+		-		-
	+		-		-
	-		+		-
	-		-		+
	+		+		+
Effect	1.5	Effect	2.5	Effect	5