Question: in excel show calculations please 4. Given below are the monthly demand for a product. Month Month Month Demand 528 622 Demand 517 595 Demand

in excel show calculations please 4. Given below

in excel show calculations please

4. Given below are the monthly demand for a product. Month Month Month Demand 528 622 Demand 517 595 Demand 487 602 551 587 509 457 349 608 619 386 592 536 504 461 391 437 503 562 570 602 545 486 431 416 444 492 538 575 490 507 516 573 a. Compute the 3-month moving average of this demand. Does this series still show seasonal variation? b. Compute the 6- and 12-month moving averages of this demand. C. Plot the original data and the three moving averages. (use an Excel spreadsheet!) Type here to search

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