Question: 1. Using the clean data file provided below, prepare a correlation matrix showing the relationship among all of the variables. Prepare a visual diagram of

1. Using the clean data file provided below, prepare a correlation matrix showing the relationship among all of the variables.

1. Using the clean data file provided below, prepare a correlation matrix

Prepare a visual diagram of the relationship between total operating cost and the single best driver identified in question 2a above. Add a regression trend line to the graph.

What is the estimate of weekly fixed cost?

What is the estimate of variable cost per unit of x?

\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|} \hline 1 & Week & & nue & & ost & Hours & Items Developed & Meals) & (Donated Meals) & Produced & Sold & Meals Donated \\ \hline 2 & 1 & $ & 4,805 & $ & 3,375 & 110 & 2 & 375 & 6 & 2,746 & 1,373 & 1,373 \\ \hline 3 & 2 & $ & 3,754 & $ & 3,465 & 94 & 3 & 315 & 8 & 2,145 & 1,073 & 1,073 \\ \hline 4 & 3 & $ & 3,879 & $ & 3,564 & 98 & 3 & 325 & 8 & 2,217 & 1,108 & 1,108 \\ \hline 5 & 4 & $ & 4,555 & $ & 3,318 & 98 & 2 & 450 & 6 & 2,603 & 1,301 & 1,301 \\ \hline 6 & 5 & $ & 4,630 & $ & 3,722 & 98 & 3 & 445 & 8 & 2,646 & 1,323 & 1,323 \\ \hline 7 & 6 & $ & 5,230 & $ & 3,419 & 131 & 3 & 435 & 8 & 2,989 & 1,494 & 1,494 \\ \hline 8 & 7 & $ & 4,705 & $ & 3,412 & 105 & 2 & 465 & 6 & 2,688 & 1,344 & 1,344 \\ \hline 9 & 8 & $ & 4,505 & $ & 3,620 & 110 & 5 & 400 & 6 & 2,574 & 1,287 & 1,287 \\ \hline 10 & 9 & $ & 4,680 & $ & 3,724 & 115 & 3 & 400 & 6 & 2,674 & 1,337 & 1,337 \\ \hline 11 & 10 & $ & 4,830 & $ & 3,545 & 125 & 3 & 425 & 8 & 2,760 & 1,380 & 1,380 \\ \hline 12 & 11 & $ & 4,945 & $ & 3,646 & 140 & 3 & 440 & 8 & 2,826 & 1,413 & 1,413 \\ \hline 13 & 12 & $ & 5,305 & $ & 3,539 & 125 & 3 & 460 & 6 & 3,032 & 1,516 & 1,516 \\ \hline 14 & 13 & $ & 4,925 & $ & 3,512 & 100 & 2 & 375 & 6 & 2,814 & 1,407 & 1,407 \\ \hline 15 & 14 & $ & 4,705 & $ & 3,702 & 146 & 3 & 350 & 8 & 2,688 & 1,344 & 1,344 \\ \hline 16 & 15 & $ & 4,830 & $ & 3,829 & 101 & 5 & 460 & 8 & 2,760 & 1,380 & 1,380 \\ \hline 17 & 16 & $ & 5,455 & $ & 3,640 & 131 & 3 & 475 & 6 & 3,117 & 1,559 & 1,559 \\ \hline 18 & 17 & $ & 5,205 & $ & 3,961 & 135 & 4 & 400 & 8 & 2,974 & 1,487 & 1,487 \\ \hline 19 & 18 & $ & 4,200 & $ & 3,893 & 135 & 4 & 460 & 8 & 2,400 & 1,200 & 1,200 \\ \hline 20 & 19 & $ & 5,380 & $ & 3,517 & 135 & 3 & 450 & 8 & 3,075 & 1,537 & 1,537 \\ \hline 21 & 20 & $ & 6,381 & $ & 4,234 & 135 & 4 & 600 & 8 & 3,647 & 1,823 & 1,823 \\ \hline 22 & 21 & $ & 6,757 & $ & 4,356 & 135 & 2 & 620 & 8 & 3,861 & 1,931 & 1,931 \\ \hline 23 & 22 & $ & 5,355 & $ & 4,074 & 139 & 4 & 412 & 8 & 3,060 & 1,530 & 1,530 \\ \hline 24 & 23 & $ & 5,506 & $ & 4,057 & 141 & 3 & 440 & 8 & 3,146 & 1,573 & 1,573 \\ \hline 25 & 24 & $ & 5,506 & $ & 3,983 & 143 & 4 & 460 & 8 & 3,146 & 1,573 & 1,573 \\ \hline 26 & 25 & $ & 5,756 & $ & 3,855 & 143 & 3 & 465 & 8 & 3,289 & 1,645 & 1,645 \\ \hline 27 & 26 & $ & 6,256 & $ & 4,151 & 143 & 4 & 570 & 8 & 3,575 & 1,788 & 1,788 \\ \hline 28 & 27 & $ & 5,565 & $ & 3,718 & 131 & 2 & 400 & 8 & 3,180 & 1,590 & 1,590 \\ \hline 29 & 28 & $ & 5,656 & $ & 4,174 & 146 & 3 & 458 & 8 & 3,232 & 1,616 & 1,616 \\ \hline 30 & 29 & $ & 5,856 & $ & 3,966 & 147 & 3 & 490 & 8 & 3,346 & 1,673 & 1,673 \\ \hline 31 & 30 & $ & 6,406 & $ & 4,270 & 147 & 4 & 588 & 8 & 3,661 & 1,830 & 1,830 \\ \hline 32 & 31 & $ & 4,855 & $ & 3,808 & 150 & 3 & 300 & 8 & 2,774 & 1,387 & 1,387 \\ \hline 33 & 32 & $ & 5,506 & $ & 4,347 & 150 & 3 & 420 & 10 & 3,146 & 1,573 & 1,573 \\ \hline 34 & 33 & $ & 5,656 & $ & 4,300 & 150 & 4 & 440 & 8 & 3,232 & 1,616 & 1,616 \\ \hline 35 & 34 & $ & 5,681 & $ & 4,472 & 150 & 5 & 430 & 10 & 3,246 & 1,623 & 1,623 \\ \hline 36 & 35 & $ & 5,731 & $ & 4,098 & 150 & 4 & 475 & 8 & 3,275 & 1,637 & 1,637 \\ \hline 37 & 36 & $ & 6,006 & $ & 3,796 & 150 & 3 & 500 & 8 & 3,432 & 1,716 & 1,716 \\ \hline 38 & 37 & $ & 6,106 & $ & 3,904 & 150 & 4 & 515 & 8 & 3,489 & 1,745 & 1,745 \\ \hline 39 & 38 & $ & 6,256 & $ & 4,552 & 150 & 4 & 480 & 8 & 3,575 & 1,788 & 1,788 \\ \hline 40 & 39 & $ & 6,306 & $ & 4,457 & 150 & 4 & 540 & 10 & 3,604 & 1,802 & 1,802 \\ \hline 41 & 40 & $ & 6,406 & $ & 4,684 & 150 & 4 & 490 & 8 & 3,661 & 1,830 & 1,830 \\ \hline 42 & 41 & $ & 6,907 & $ & 4,281 & 150 & 4 & 650 & 8 & 3,947 & 1,973 & 1,973 \\ \hline 43 & 42 & $ & 7,107 & $ & 4,404 & 150 & 4 & 670 & 8 & 4,061 & 2,031 & 2,031 \\ \hline 44 & 43 & $ & 5,856 & $ & 4,424 & 154 & 4 & 450 & 8 & 3,346 & 1,673 & 1,673 \\ \hline 45 & 44 & $ & 6,507 & $ & 4,586 & 120 & 4 & 320 & 10 & 3,718 & 1,859 & 1,859 \\ \hline 46 & 45 & $ & 6,857 & $ & 4,651 & 169 & 5 & 580 & 10 & 3,918 & 1,959 & 1,959 \\ \hline 47 & 46 & $ & 7,007 & $ & 4,976 & 169 & 3 & 700 & 8 & 4,004 & 2,002 & 2,002 \\ \hline 48 & 47 & $ & 7,883 & $ & 4,983 & 169 & 5 & 680 & 10 & 4,505 & 2,252 & 2,252 \\ \hline 49 & 48 & $ & 5,600 & $ & 4,785 & 173 & 4 & 600 & 10 & 3,200 & 1,600 & 1,600 \\ \hline 50 & 49 & $ & 4,375 & $ & 5,120 & 173 & 5 & 720 & 8 & 2,500 & 1,250 & 1,250 \\ \hline 51 & 50 & $ & 8,008 & $ & 5,127 & 173 & 4 & 600 & 10 & 4,576 & 2,288 & 2,288 \\ \hline 52 & 51 & $ & 6,081 & $ & 4,609 & 180 & 3 & 450 & 10 & 3,475 & 1,737 & 1,737 \\ \hline 53 & 52 & $ & 6,256 & $ & 4,742 & 188 & 4 & 460 & 10 & 3,575 & 1,788 & 1,788 \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|} \hline 1 & Week & & nue & & ost & Hours & Items Developed & Meals) & (Donated Meals) & Produced & Sold & Meals Donated \\ \hline 2 & 1 & $ & 4,805 & $ & 3,375 & 110 & 2 & 375 & 6 & 2,746 & 1,373 & 1,373 \\ \hline 3 & 2 & $ & 3,754 & $ & 3,465 & 94 & 3 & 315 & 8 & 2,145 & 1,073 & 1,073 \\ \hline 4 & 3 & $ & 3,879 & $ & 3,564 & 98 & 3 & 325 & 8 & 2,217 & 1,108 & 1,108 \\ \hline 5 & 4 & $ & 4,555 & $ & 3,318 & 98 & 2 & 450 & 6 & 2,603 & 1,301 & 1,301 \\ \hline 6 & 5 & $ & 4,630 & $ & 3,722 & 98 & 3 & 445 & 8 & 2,646 & 1,323 & 1,323 \\ \hline 7 & 6 & $ & 5,230 & $ & 3,419 & 131 & 3 & 435 & 8 & 2,989 & 1,494 & 1,494 \\ \hline 8 & 7 & $ & 4,705 & $ & 3,412 & 105 & 2 & 465 & 6 & 2,688 & 1,344 & 1,344 \\ \hline 9 & 8 & $ & 4,505 & $ & 3,620 & 110 & 5 & 400 & 6 & 2,574 & 1,287 & 1,287 \\ \hline 10 & 9 & $ & 4,680 & $ & 3,724 & 115 & 3 & 400 & 6 & 2,674 & 1,337 & 1,337 \\ \hline 11 & 10 & $ & 4,830 & $ & 3,545 & 125 & 3 & 425 & 8 & 2,760 & 1,380 & 1,380 \\ \hline 12 & 11 & $ & 4,945 & $ & 3,646 & 140 & 3 & 440 & 8 & 2,826 & 1,413 & 1,413 \\ \hline 13 & 12 & $ & 5,305 & $ & 3,539 & 125 & 3 & 460 & 6 & 3,032 & 1,516 & 1,516 \\ \hline 14 & 13 & $ & 4,925 & $ & 3,512 & 100 & 2 & 375 & 6 & 2,814 & 1,407 & 1,407 \\ \hline 15 & 14 & $ & 4,705 & $ & 3,702 & 146 & 3 & 350 & 8 & 2,688 & 1,344 & 1,344 \\ \hline 16 & 15 & $ & 4,830 & $ & 3,829 & 101 & 5 & 460 & 8 & 2,760 & 1,380 & 1,380 \\ \hline 17 & 16 & $ & 5,455 & $ & 3,640 & 131 & 3 & 475 & 6 & 3,117 & 1,559 & 1,559 \\ \hline 18 & 17 & $ & 5,205 & $ & 3,961 & 135 & 4 & 400 & 8 & 2,974 & 1,487 & 1,487 \\ \hline 19 & 18 & $ & 4,200 & $ & 3,893 & 135 & 4 & 460 & 8 & 2,400 & 1,200 & 1,200 \\ \hline 20 & 19 & $ & 5,380 & $ & 3,517 & 135 & 3 & 450 & 8 & 3,075 & 1,537 & 1,537 \\ \hline 21 & 20 & $ & 6,381 & $ & 4,234 & 135 & 4 & 600 & 8 & 3,647 & 1,823 & 1,823 \\ \hline 22 & 21 & $ & 6,757 & $ & 4,356 & 135 & 2 & 620 & 8 & 3,861 & 1,931 & 1,931 \\ \hline 23 & 22 & $ & 5,355 & $ & 4,074 & 139 & 4 & 412 & 8 & 3,060 & 1,530 & 1,530 \\ \hline 24 & 23 & $ & 5,506 & $ & 4,057 & 141 & 3 & 440 & 8 & 3,146 & 1,573 & 1,573 \\ \hline 25 & 24 & $ & 5,506 & $ & 3,983 & 143 & 4 & 460 & 8 & 3,146 & 1,573 & 1,573 \\ \hline 26 & 25 & $ & 5,756 & $ & 3,855 & 143 & 3 & 465 & 8 & 3,289 & 1,645 & 1,645 \\ \hline 27 & 26 & $ & 6,256 & $ & 4,151 & 143 & 4 & 570 & 8 & 3,575 & 1,788 & 1,788 \\ \hline 28 & 27 & $ & 5,565 & $ & 3,718 & 131 & 2 & 400 & 8 & 3,180 & 1,590 & 1,590 \\ \hline 29 & 28 & $ & 5,656 & $ & 4,174 & 146 & 3 & 458 & 8 & 3,232 & 1,616 & 1,616 \\ \hline 30 & 29 & $ & 5,856 & $ & 3,966 & 147 & 3 & 490 & 8 & 3,346 & 1,673 & 1,673 \\ \hline 31 & 30 & $ & 6,406 & $ & 4,270 & 147 & 4 & 588 & 8 & 3,661 & 1,830 & 1,830 \\ \hline 32 & 31 & $ & 4,855 & $ & 3,808 & 150 & 3 & 300 & 8 & 2,774 & 1,387 & 1,387 \\ \hline 33 & 32 & $ & 5,506 & $ & 4,347 & 150 & 3 & 420 & 10 & 3,146 & 1,573 & 1,573 \\ \hline 34 & 33 & $ & 5,656 & $ & 4,300 & 150 & 4 & 440 & 8 & 3,232 & 1,616 & 1,616 \\ \hline 35 & 34 & $ & 5,681 & $ & 4,472 & 150 & 5 & 430 & 10 & 3,246 & 1,623 & 1,623 \\ \hline 36 & 35 & $ & 5,731 & $ & 4,098 & 150 & 4 & 475 & 8 & 3,275 & 1,637 & 1,637 \\ \hline 37 & 36 & $ & 6,006 & $ & 3,796 & 150 & 3 & 500 & 8 & 3,432 & 1,716 & 1,716 \\ \hline 38 & 37 & $ & 6,106 & $ & 3,904 & 150 & 4 & 515 & 8 & 3,489 & 1,745 & 1,745 \\ \hline 39 & 38 & $ & 6,256 & $ & 4,552 & 150 & 4 & 480 & 8 & 3,575 & 1,788 & 1,788 \\ \hline 40 & 39 & $ & 6,306 & $ & 4,457 & 150 & 4 & 540 & 10 & 3,604 & 1,802 & 1,802 \\ \hline 41 & 40 & $ & 6,406 & $ & 4,684 & 150 & 4 & 490 & 8 & 3,661 & 1,830 & 1,830 \\ \hline 42 & 41 & $ & 6,907 & $ & 4,281 & 150 & 4 & 650 & 8 & 3,947 & 1,973 & 1,973 \\ \hline 43 & 42 & $ & 7,107 & $ & 4,404 & 150 & 4 & 670 & 8 & 4,061 & 2,031 & 2,031 \\ \hline 44 & 43 & $ & 5,856 & $ & 4,424 & 154 & 4 & 450 & 8 & 3,346 & 1,673 & 1,673 \\ \hline 45 & 44 & $ & 6,507 & $ & 4,586 & 120 & 4 & 320 & 10 & 3,718 & 1,859 & 1,859 \\ \hline 46 & 45 & $ & 6,857 & $ & 4,651 & 169 & 5 & 580 & 10 & 3,918 & 1,959 & 1,959 \\ \hline 47 & 46 & $ & 7,007 & $ & 4,976 & 169 & 3 & 700 & 8 & 4,004 & 2,002 & 2,002 \\ \hline 48 & 47 & $ & 7,883 & $ & 4,983 & 169 & 5 & 680 & 10 & 4,505 & 2,252 & 2,252 \\ \hline 49 & 48 & $ & 5,600 & $ & 4,785 & 173 & 4 & 600 & 10 & 3,200 & 1,600 & 1,600 \\ \hline 50 & 49 & $ & 4,375 & $ & 5,120 & 173 & 5 & 720 & 8 & 2,500 & 1,250 & 1,250 \\ \hline 51 & 50 & $ & 8,008 & $ & 5,127 & 173 & 4 & 600 & 10 & 4,576 & 2,288 & 2,288 \\ \hline 52 & 51 & $ & 6,081 & $ & 4,609 & 180 & 3 & 450 & 10 & 3,475 & 1,737 & 1,737 \\ \hline 53 & 52 & $ & 6,256 & $ & 4,742 & 188 & 4 & 460 & 10 & 3,575 & 1,788 & 1,788 \\ \hline \end{tabular}

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