Question: Determine the upper and lower limits for a 3-standard-deviation accuracy check for the Change column. D. G H. 1 Thompson Industries Monthly Supplier Report -
Determine the upper and lower limits for a 3-standard-deviation accuracy check for the "Change" column.
D. G H. 1 Thompson Industries Monthly Supplier Report - April SupCat P Quality 5 5 RejShip 0 NewSup N N Y P 0 3 S P 2 0 4 N P 5 P 4 0 1 6 3 Supplier Name 4 Maverick Supplies 5 Cowboy Pete's Lumber 6 ABC Metals 7 Perkins Plastics 8 Everything Brass 9 Jones Aluminum & Copper 10 Rick's Wrought Iron 11 Penelope's Paper Products 12 Anthony's Adhesives 13 Columbus Manufacturing 14 Smart Electronics, Inc. 15 Watson Woodworking 16 Fred's Foam Molding 17 Inpenetrable Insulation, Inc. 18 Suzy's Shipping Supplies SupNo 6071 6894 5054 5528 4413 5858 9733 4718 9944 1343 4785 2730 2949 1443 8039 S Purchases $39,117 $25,554 $13,051 $27,886 $29,300 $16,862 $29,078 $25,716 $22,750 $20,103 $30,062 $32,589 $47,886 $24,971 $23,851 Change $5,000 $400 $13,051 $3,256 ($4,658) $16,862 ($3,121) $8,795 $1,268 $469 $30,062 $471 $47,886 ($6,895) $1,269 Returns 0% 0% 75% 3% 0% 5% 80% 12% 4% 0% 50% 1% 0.50% On-Time 100% 90% 0% 100% 100% 50% 60% 100% 90% 100% 33% 25% 100% 15% 50% |2|2