USE EXCEL  4-1 Consider the following sample data for the relationship between advertising budget and sales for Product A: Observation 1 2 3 4 5 6 7 8 9 10 Advertising ($) 40,000 50,000 50,000 60,000 70,000 70,000 80,000 80,000 90,000 100,000 Sales ($) 239,000 315,000 311,000 363,000 432,000 438,000 493,000 486,000 535,000 603,000   What is the slope of the "least-squares" best-fit regression line? Please round your answer to the nearest hundredth.

Q: 4. Determine the quartiles for the following data set. 107, 109, 102, 113, 102, 110, 108, 104, 116,…

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Q: Compute for the mean and median of the data below : weight (in Ibs.) number of students

A: Given,  Weight  Number of students 147-153 2 140-146 5 133-139 8 126-132 9 119-125 11…

Q: A sales manager collected the following data on annual sales for new customer accounts and the…

A: It was stated that a sales manager collected the data on annual sales for new customer accounts and…

Q: The data on y = annual sales ($1000s) for new customer accounts and 2 = number of years of ex…

A: The predicted value is y = 68.53 + 3.31 x 11y = 104.94t-critical value at 0.05 and df = 8  is 1.8596…

Q: 5. Draw a histogram for the following dãta. Weekly wages in Rupees Number of workers 10-15 7 15-20…

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Q: Problem Suppose the number of beds in a sample of 12 private hospitals and 15 public hospitals were…

A: For Private hospital:  5th percentile is, P5= 5*(12+1)/100 th term = 0.65th term = 1st term  = 127…