1. Two suppliers of TV sets are being considered by an appliance store. Is there a difference in the quality of the TV sets sold by the two suppliers? A sample of seven recent shipments from Supplier A revealed that the mean number of defects per shipment was 12 units with a standard deviation of 2.A sample of six recent shipments from Supplier B revealed the mean number of defects per shipment to be 9 with a standard deviation of 3, Use the 0.05 significance level to explore whether there is a difference in the quality of the TV sets supplied by Supplier A and those supplied by Supplier B. 2. Three different milling machines were being considered for purchase by a clothes manufacturing company. The company would be purchasing hundreds of these machines. To make sure it made the best decision, the company borowed five of each machines which were assigned to 15 technicians. Each machine was put through a series of tasks and wa5 rated using a standardized test. The following data were obtained. MACHINE 2 MACHINE 3 MACHINE 1 24.5 28.4 26.1 28.3 23.5 34.2 29.5 24.3 26.4 32.2 26.2 27.1 30.1 23.8 29.9 Perform an ANOVA on these data at 1% level of significance