Download the attached dataset on seven new startup companies. Perform a multiple regression analysis on the $5$ contributing factors to their yearly revenue at a $5\%$ significance level. For the purpose of this question, consider the full model without removing any variables based on their p$-$values.

$\backslash$table$[[1,$Startup,Marketing Spending,Product Rating,Number of Employees,Years in Operation,Competitors in the Ma$,$ly Revenue$],[2,1,500000,4\mathrm{.}5,50,2,5,1200000],[3,2,700000,3\mathrm{.}8,100,4,7,1500000],[4,3,300000,4\mathrm{.}2,30,1,6,800000],[5,4,600000,3\mathrm{.}5,70,3,5,1100000],[6,5,800000,5,120,5,4,2000000],[7,6,400000,4,45,2,7,950000],[8,7,550000,3\mathrm{.}7,60,3,6,1050000]]$