Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 7, 1980
at Seattle Seahawks
W 34-13
62,042
3
2
September 14, 1980
Oakland Raiders
W 30-24
51,943
4
3
September 21, 1980
at Denver Broncos
W 30-13
74,970
5
4
September 28, 1980
at Kansas City Chiefs
W 24-7
45,161
6
5
October 5, 1980
Buffalo Bills
L 26-24
51,982
7
6
October 12, 1980
at Oakland Raiders
L 38-24
44,826
8
7
October 19, 1980
New York Giants
W 44-7
50,397
9
8
October 26, 1980
at Dallas Cowboys
L 42-31
60,639
10
9
November 2, 1980
at Cincinnati Bengals
W 31-14
46,406
11
10
November 9, 1980
Denver Broncos
L 20-13
51,435
12
11
November 16, 1980
Kansas City Chiefs
W 20-7
50,248
13
12
November 20, 1980
at Miami Dolphins
W 27-24
63,013
14
13
November 30, 1980
Philadelphia Eagles
W 22-21
51,567
15
14
December 7, 1980
at Washington Redskins
L 40-17
48,556
16
15
December 13, 1980
Seattle Seahawks
W 21-14
49,980
17
16
December 22, 1980
Pittsburgh Steelers
W 26-17
51,785

Questions and formulas:
Question: Total weeks of 49,980 attendance?
Formula: SUM(FILTER(A1, E1=49980))
Formula2: SUM(FILTER(A2:A17, E2:E17=49980))
Level: easy
Question: Mean attendance for December 22, 1980?
Formula: AVERAGEIFS(E1,B1,"december 22, 1980")
Formula2: AVERAGEIFS(E2:E17,B2:B17,"december 22, 1980")
Level: easy
Question: Overall attendance for week 4?
Formula: SUM(FILTER(E1, A1=4))
Formula2: SUM(FILTER(E2:E17, A2:A17=4))
Level: easy