Month X=Advertising cost (in thousands) Y=# of orders (in millions) 1 $68.93 4.9

Question

Month X=Advertising cost
(in thousands) Y=# of orders
(in millions) 1 $68.93 4.902 2 72.62 3.893 3 79.58 5.299 4 58.67 4.130 5 69.18 4.367 6 70.14 5.111 7 83.37 3.923 8 68.88 4.935 9 82.99 5.276 10 75.23 4.654 11 81.38 4.598 12 52.9 2.967 13 61.27 3.999 14 79.19 4.345 15 80.03 4.934 16 78.21 4.653 17 83.77 5.625 18 62.53 3.978 19 88.76 4.999 20 72.64 5.834 yeti m (O and is evenu A CEO br a Leonor phen ma in next whettem plave hmme m as thl a strong rele tiszhit between Numu pr nder received eind mcm CTn millions 12.62. 3 893 S. 213 67 4.130 4.3% ST 3.923 S. 13.23 38 2-967. 12 13 .03 IST Lt. bs3 lo 78. 5.62s

Explanation / Answer

The correct answer is C. I cannot attach excel

files here due to Chegg restrictions.

Best-fit values

The correct answer is C. I cannot attach excel

files here due to Chegg restrictions.

Best-fit values

Slope 0.04224 ± 0.01384 Y-intercept 1.516 ± 1.026 X-intercept -35.89 1/Slope 23.67 95% Confidence Intervals Slope 0.01316 to 0.07132 Y-intercept -0.6390 to 3.671 X-intercept -278.0 to 8.992 Goodness of Fit R square 0.3410 Sy.x 0.5729 Is slope significantly non-zero? F 9.312 DFn,DFd 1,18 P Value 0.0069 Deviation from horizontal? Significant Data Number of XY pairs 20 Equation Y = 0.04224*X + 1.516

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