# QNT 351 Week 4 Connect Lab 2016 Version

May 19th, 2016
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1. The production department of Celltronics International wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. As an experiment, 3 employees were assigned to assemble the subassemblies. They produced 16 during a one-hour period. Then 5 employees assembled them. They produced 27 during a one-hour period. The complete set of paired observations follows. x y 3 16 5 27 2 11 6 50 4 36 2. The following sample observations were randomly selected. (Round your answers to 2 decimal places.) x y 4 9.8 5 10.6 3 8 6 15.4 10 18.6 a. Find regression equation b. When x = 8.5 find value of y 3. Bilo Appliance SuperStore has outlets in several large metropolitan areas in New England. The general sales manager aired a commercial for a digital camera on selected local TV stations prior to a sale starting on Saturday and ending Sunday. She obtained the information for Saturday–Sunday digital camera sales at the various outlets and paired

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1. The production department of Celltronics International wants to explore the relationshipbetween the number of employees who assemble a subassembly and the number produced. Asan experiment, 3 employees were assigned to assemble the subassemblies. They produced 16during a one-hour period. Then 5 employees assembled them. They produced 27 during a onehour period. The complete set of paired observations follows.x35264y16271150362. The following sample observations were randomly selected. (Round your answers to 2 decimalplaces.)xy4536109.810.6815.418.6a. Find regression equationb. When x = 7.5find value of yaRegression Equationbwhenyx=7.5=3.82+1.55y=15.42x3. Bilo Appliance SuperStore has outlets in several large metropolitan areas in New England. Thegeneral sales manager aired a commercial for a digital camera on selected local TV stations priorto a sale starting on Saturday and ending Sunday. She obtained the information for SaturdaySunday digital camera sales at the various outlets and paired it with the number of times theadvertisement was shown on the local TV stations. The purpose is to find whether there is anyrelationship between the number of times the advertisement was aired and digital camera sales.The pairings are:a. What is the dependent variableb. Correl Coefficientc. The stats measure indicates4. The production department of Celltronics International wants to explore the relation

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