Question

1 43 Your new job at Panasony is to do the final assembly of camcorders. As you learn how you get faster. The company tell you that you will qualify for a raise if after 13 weeks your assembly time averages under 20 minutes. The data shows you were assembly time during each of your first 10 weeks. Week Time (min) 2 39 3 35 4 33 5 32 6 30 7 30 8 28 9 26 10 25 rpret the meaning of the correlation coefficient r in terms of the linear relationship between the number of weeks worked a mbly time. IV AA- IX E 1 1 XX, E Paragraph IL 12nt

Answer 1

X Week 2 39 3 4 5 6 7 8 y Timel min) 2-ł (x-x) (4-9) (4.9² (x2) x4 43 26.25 10-9 818) - 49.05 12.25 619 47.61-24.15 35 6.25 8.9 8.4) -7.25 33 2.25 0.9 0.8) 32 3o 0.25 -2-1 4.41 - 1:05 30 2.25 -21 4.4) -3,15 6:25 -4.1 16.8 -10.25 26 3.5 12.25 -6.1 37.21 -21.35 25 4.5 20.25 -7.1 56.41 -31.95 321 288.90-149-65 -4.5 - 35 -2.5 -1.5 6.5 6.5 15 2.5 6.25 -0.1 001 - 135 +6.05 28 o lo 55 89.50 کرکے کور کرده 10 TO bg = 3 321 = 32.1 10 To r = {(x-x] (7-4) -149.55 Jafaraja -92 / 8250 1288.90 r = -149.55 154.38 r = -0.97 0.-97 The coefficient of Correlation of r=-0.97 indicate the strongs degree of negative correlation b/w a and y.