14a. Sample: The number of reported cases of syphilis has decreased for every ten-year span of time. The decrease was the greatest between 1950 and 1960, and there has been almost a constant decrease since 1960.

1
2. False 4. 63.1 6. see graph 8. about 200
years ago by William Playfair
6.
10a. 25.2 billion spent on advertising in
newspapers in 1985 b. About 94.7 billion c.
False d. about 16.4 12. See graph
14a. Sample The number of reported cases of
syphilis has decreased for every ten-year span of
time. The decrease was the greatest between 1950
and 1960, and there has been almost a constant
decrease since 1960. b. Sample The number of
cases of measles was very high in 1950 and 1960,
dramatically decreased between 1960 and 1970 and
has stayed relatively constant since. The number
of reported cases of measles in creased from 1950
to 1960 and from 1980 to 1990. c. Sample Only
one bar exists for AIDS because before 1980 there
was no disease classified as AIDS
16. Sample Since the scale for the vertical axis
does not start from zero, you may get the
misleading impression that the Wacky Widget
Company is doubling it profits every year.
2
12a.
b.