which team has the biggest average margin of victory in a stanley cup final

The Montreal Canadiens have the highest goal differential per game played by a team in a Stanley Cup Finals, with 4.

Interpreted as:

Which team has the biggest average margin of victory per game in a stanley cup final?

	TEAM	DIFF/GP	DIFF	GP	SEASON	SERIES	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Canadiens	4	8	2	1923-24	Stanley Cup Finals	2	0	0	0	4	1.000	0	0	9	1
2	Bruins	3.25	13	4	1969-70	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	20	7			37.00	13.5	25.00	.930
3	Golden Knights	2.8	14	5	2022-23	Stanley Cup Finals	4	1	0	0	8	.800	0	0	26	12	31.6	100.0	30.40	17.1	31.00	.923
4	Avalanche	2.75	11	4	1995-96	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	15	4	25.0	88.2	34.50	10.9	37.75	.974
5	Islanders	2.75	11	4	1982-83	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	17	6	14.3	95.0	25.75	16.5	32.00	.953
6	Maple Leafs	2.75	11	4	1947-48	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	18	7
7	Red Wings	2.75	11	4	1942-43	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	16	5
8	Maple Leafs	2.67	8	3	1931-32	Stanley Cup Finals	3	0	0	0	6	1.000	0	0	18	10
9	Red Wings	2.5	10	4	1996-97	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	16	6	22.2	78.9	28.75	13.9	27.00	.944
10	Canadiens	2.5	10	4	1976-77	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	16	6			22.50	17.8	23.25	.935
11	Canadiens	2.5	10	4	1959-60	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	15	5			35.25	10.6	30.00	.958
12	Oilers	2.4	12	5	1989-90	Stanley Cup Finals	4	1	0	0	8	.800	0	0	20	8	22.2	94.7	27.40	14.6	31.20	.949
13	Devils	2.25	9	4	1994-95	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	16	7	20.0	78.9	27.00	14.8	18.75	.907
14	Canadiens	2.25	9	4	1968-69	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	12	3			31.75	9.4	26.75	.972
15	Red Wings	2.25	9	4	1951-52	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	11	2
16	Bruins	2.14	15	7	2010-11	Stanley Cup Finals	4	3	0	0	8	.571	0	0	23	8	18.5	93.9	32.14	10.2	35.14	.967
17	Penguins	2	12	6	1990-91	Stanley Cup Finals	4	2	0	0	8	.667	0	0	28	16	18.4	90.9	30.33	15.4	34.00	.922
18	Islanders	2	8	4	1981-82	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	18	10			33.00	13.6	28.00	.911
19	Islanders	2	10	5	1980-81	Stanley Cup Finals	4	1	0	0	8	.800	0	0	26	16	31.3	81.8	31.60	16.5	28.20	.887
20	Canadiens	2	8	4	1943-44	Stanley Cup Finals	4	0	0	0	8	1.000	0	0	16	8
21	Maroons	2	6	3	1934-35	Stanley Cup Finals	3	0	0	0	6	1.000	0	0	10	4
22	Canadiens	2	4	2	1929-30	Stanley Cup Finals	2	0	0	0	4	1.000	0	0	7	3
23	Cougars	2	8	4	1924-25	Stanley Cup Finals	3	1	0	0	6	.750	0	0	16	8
24	Panthers	1.83	11	6	2024-25	Stanley Cup Finals	4	2	0	0	8	.667	0	0	28	17	30.4	82.6	31.50	14.8	35.00	.919
25	Lightning	1.8	9	5	2020-21	Stanley Cup Finals	4	1	0	0	8	.800	0	0	17	8	13.3	90.0	28.80	11.8	28.00	.943