What are the strengths of this pie chart?  What are its weaknesses?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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What are the strengths of this pie chart? 

What are its weaknesses?

11:49
1
Medium
Newspapers
Magazines
Broadcast TV
Cable TV
Radio
B
D
E
F
Advertising: Estimated Expenditures by Medium: 1994-
Advertising (1)
Data
|||
Direct Mail
20%
с
9 Yellow Pages
Direct Mail
10
11 Business Papers
12 nternet
13 Miscellaneous
14 Total
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
||
40
fx Enter text or formula here
1994
1995
34,356 36,317
7,916
8,580
31,133 32,720
5,209
6,166
10,529
9,825
29,638 32,866
3,358
3,559
o n
Other
16%
1996
38,402
9,010
36,046
7,778
11,338
12,269
10,236 10,849
34,509
3,808
Where Do Advertising Dollars Go?
□ Radio
8%
19,893 22,102 24,103 26,005 2
151,857 163,884 176,774 189,852 20
O
New Data
... 100%|
OTV
24%
:
Print
32%
1997
41,670
9,821
36,893 3
8,750
13,491
11,423
36,890 3
4,109
800
Source Statistical
Abstract of the U.S.,
2002, p. 772.
Extra Sh +
Transcribed Image Text:11:49 1 Medium Newspapers Magazines Broadcast TV Cable TV Radio B D E F Advertising: Estimated Expenditures by Medium: 1994- Advertising (1) Data ||| Direct Mail 20% с 9 Yellow Pages Direct Mail 10 11 Business Papers 12 nternet 13 Miscellaneous 14 Total 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 || 40 fx Enter text or formula here 1994 1995 34,356 36,317 7,916 8,580 31,133 32,720 5,209 6,166 10,529 9,825 29,638 32,866 3,358 3,559 o n Other 16% 1996 38,402 9,010 36,046 7,778 11,338 12,269 10,236 10,849 34,509 3,808 Where Do Advertising Dollars Go? □ Radio 8% 19,893 22,102 24,103 26,005 2 151,857 163,884 176,774 189,852 20 O New Data ... 100%| OTV 24% : Print 32% 1997 41,670 9,821 36,893 3 8,750 13,491 11,423 36,890 3 4,109 800 Source Statistical Abstract of the U.S., 2002, p. 772. Extra Sh +
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