Business Statistics, business and finance homework help

HomeworkAssignment 7 Due in Week 8 and worth 30 pointsTheexperiment data in below table was to evaluate the effects of three variableson invoice errors for a company. Invoice errors had been a major contributor tolengthening the time that customers took to pay their invoices and increasingthe accounts receivables for a major chemical company. It was conjectured thatthe errors might be due to the size of the customer (larger customers have morecomplex orders), the customer location (foreign orders are more complicated),and the type of product. A subset of the data is summarized in the followingTable. Table: Invoice Experiment ErrorCustomer SizeCustomer LocationProduct TypeNumber of Errors---15+--18-+-6++-2--+19+-+23-++16+++21Customer Size: Small (-), Large (+)Customer Location: Foreign (-), Domestic (+)Product Type: Commodity (-), Specialty (=)Reference: Moen, Nolan, andProvost (R. D. Moen, T. W. Nolan and L. P. Provost. Improving Quality through Planned Experimentation. New York:McGraw-Hill, 1991)Use the date in table above andanswer the following questions in the space provided below:1. What isthe nature of the effects of the factors studied in this experiment? 2. Whatstrategy would you use to reduce invoice errors, given the results of thisexperiment?