How can I go about performing a two-way factorial ANOVA calculation within Excel on this data? I cannot use the ToolPak, I must work it out in the excel workbook using the cells.

TOTAL NUMBER OF POINTS SCORED BY TEAM PER YEAR, SEPERATED BY CONFERENCES
		2021	2022	2023
AFC Conference	Buffalo Bills	483	455	451
	New England Patriots	462	364	236
	Miami Dolphins	341	397	496
	New York Jets	310	296	268
	Cincinnati Bengals	460	418	366
	Pittsburgh Steelers	343	308	304
	Cleveland Browns	349	361	396
	Baltimore Ravens	387	350	483
	Tennessee Titans	419	298	305
	Indianapolis Colts	451	289	396
	Houston Texans	280	289	377
	Jacksonville Jaguars	253	404	377
	Kansas City Chiefs	480	496	371
	Las Vegas Raiders	374	395	332
	Los Angeles Chargers	474	391	346
	Denver Broncos	335	287	357
NFC Conference	Dallas Cowboys	530	467	509
	Philadelphia Eagles	444	477	433
	Washington Commanders	335	321	329
	New York Giants	258	365	266
	Green Bay Packers	450	370	383
	Minnesota Vikings	425	424	344
	Chicago Bears	311	326	360
	Detroit Lions	325	453	461
	Tampa Bay Buccaneers	511	313	348
	New Orleans Saints	364	330	402
	Atlanta Falcons	313	365	321
	Carolina Panthers	304	347	236
	Los Angeles Rams	460	307	404
	Arizona Cardinals	449	340	330
	San Francisco 49ers	427	450	360
	Seattle Seahawks	395	407	364