Complete parts a through $c.$

Click the icon to view the data table

a$.$ Calculate the multiple coefficient of determination.

The multiple coefficient of determination is $$

$($Round to four decimal places as needed.$)$

$\backslash$table$[[$Brand$,$Engagement,Followers,Videos,Photos$],[$Google$,13,447,974,845,8,3],[$HP$,1,937,219,703,0,13],[$Intel$,3,760,258,047,6,7],[$Oracle$,267,37,139,1,16],[$Samsung USA,$850,84,012,2,10],[$Cisco$,718,48,643,6,13],[$Microsoft$,4,629,275,525,1,4],[$Huawei$,310,10,474,3,13],[$Lenovo$,1,346,144,371,6,7],[$Apple Music,$10,144,740,596,10,19],[$Audi$,81,468,2,102,264,1,28],[$BMW$,108,558,4,800,940,0,86],[$Chevrolet$,12,152,604,330,1,19],[$Harley$-$Davidson,$30,106,1,191,370,1,29],[$Ford$,14,218,779,442,3,40],[$Honda$,8,005,514,485,2,34],[$Hyundai$,1,653,101,575,4,15],[$Kotors America,$809,48,065,5,41],[$Mercedes$-$Benz,$86,612,3,758,136,16,164],[$Nissan$,9,105,469,720,4,49],[$Toyota USA,$3,594,300,680,14,16],[$Porsche$,39,000,2,102,264,0,35],[$Land Rover,$9,732,472,081,7,25],[$MINI$,5,874,260,190,5,15],[$Amazon$,2,334,271,557,4,54],[$eBay$,831,142,306,11,21],[$Ikea USA,$6,459,497,278,1,29],[$Canon USA,$8,272,393,520,7,60],[$Philips$,315,17,126,0,16],[$Sony$,26,070,1,396,688,0,17],[$Cartier$,17,581,2,112,027,2,13],[$Gucci$,34,483,6,351,725,7,95],[$Hermes$,11,278,1,560,748,18,16],[$Burberry$,43,456,5,228,164,15,71],[$Luis Vuitton,$66,464,8,221,146,0,12],[$Prada$,39,816,6,187,874,3,36],[$Tiffany & Co$,28,776,3,055,665,13,61],[$Allianz$,96,8,625,0,16],[$American Express,$841,102,898,0,19],[,,,,]]$

B$)$ Test the significance of the overall regression model using a$=0\mathrm{.}05$

C$)$Calculate the adjusted multiple coefficient of determination