Table:
0
A
B
C
D
E
1
Year
Conventional plans
HMOs
PPOs
POS plans
2
1998
14%
27%
35%
24%
3
1999
10%
28%
39%
24%
4
2000
8%
29%
42%
21%
5
2001
7%
24%
46%
23%
6
2002
4%
27%
52%
18%
7
2003
5%
24%
54%
17%
8
2004
5%
25%
55%
15%
9
2005
3%
21%
61%
15%
10
2006
3%
20%
60%
13%
11
2007
3%
21%
57%
15%
12
2008
2%
20%
58%
12%

Questions and formulas:
Question: How many years have HMOs been 27% and POS plans 18%?
Formula: ROWS(UNIQUE(FILTER(A1, (C1="27%")*(E1="18%"))))
Formula2: ROWS(UNIQUE(FILTER(A2:A12, (C2:C12="27%")*(E2:E12="18%"))))
Level: medium
Question: Which conventional plan has a POS of 13%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="13%"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,E2:E12="13%"),2))
Level: medium
Question: How many years have a conventional plan of 7%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="7%"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,B2:B12="7%"),1))
Level: medium
Question: Which conventional plan has a POS plan of 21%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="21%"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,E2:E12="21%"),2))
Level: medium
Question: Which HMO has a conventional plan of 3% in 2005?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="3%")*(A1=2005)),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,(B2:B12="3%")*(A2:A12=2005)),3))
Level: medium