African elephants are threatened by poachers, who RIl grow tusks). In the elephant population of Gorongosa National Park, the number of female elephants was mon population and the percent of tuskless females in that population from 1970 to 2015. TOTAL FEMALE ELEPHANT POPULATION OVER TIME 1,200T 1,000- 800- 600- 400+ 200 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 Year PERCENT OF TUSKLESS FEMALE ELEPHANTS OVER TIME 60 50- 40- 30- 20 10- L080 1985 1990 1995 2000 2005 2010 2015 Percent of Tuskless Females

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Chapter10: Statistics
Section10.2: Representing Data
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African elephants are threatened by poachers, who kill the elephants for their tusks. Both male and female elephants can grow tusks. There are some elephants that are tuskless (do not
grow tusks). In the elephant population of Gorongosa National Park, the number of female elephants was monitored for many years. The graphs show the total female elephant
population and the percent of tuskless females in that population from 1970 to 2015.
TOTAL FEMALE ELEPHANT POPULATION OVER TIME
1,200-
1,000-
800-
600-
400
200-
0-
1970 1975 1980 1985 1990 1995 2000 2005 2010 2015
Year
PERCENT OF TUSKLESS FEMALE
ELEPHANTS OVER TIME
60
50
40
30
20
10
0-
1970 1975 1980 1985 1990 1995 2000 2005 2010 2015
Sign out
2
Percent of Tuskless
Females
Female Elephant
Transcribed Image Text:African elephants are threatened by poachers, who kill the elephants for their tusks. Both male and female elephants can grow tusks. There are some elephants that are tuskless (do not grow tusks). In the elephant population of Gorongosa National Park, the number of female elephants was monitored for many years. The graphs show the total female elephant population and the percent of tuskless females in that population from 1970 to 2015. TOTAL FEMALE ELEPHANT POPULATION OVER TIME 1,200- 1,000- 800- 600- 400 200- 0- 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 Year PERCENT OF TUSKLESS FEMALE ELEPHANTS OVER TIME 60 50 40 30 20 10 0- 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 Sign out 2 Percent of Tuskless Females Female Elephant
10
1970 1975 1980 1985 1990 1995 2000 2005 2010 2015
Year
Which of the following describes the trend in the female elephant population from 1970 to 1995?
The overall population decreased, and the proportion without tusks increased.
B
The overall population decreased, and the proportion without tusks decreased.
The overall population increased and then decreased, and the proportion without tusks increased.
D
The overall population increased, and the proportion without tusks decreased.
Perce
Transcribed Image Text:10 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 Year Which of the following describes the trend in the female elephant population from 1970 to 1995? The overall population decreased, and the proportion without tusks increased. B The overall population decreased, and the proportion without tusks decreased. The overall population increased and then decreased, and the proportion without tusks increased. D The overall population increased, and the proportion without tusks decreased. Perce
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