question 17
Multiple Choice
Refer to the information in the following table when answering questions 18 to 26:
Annual Family Income and Education
Statistics for Three Neighborhoods
MeanMedianModeStand Dev.(N) GLENBROOK Income $78,000$27,000$26,000$8,000(300) Education 17 Years 18203MEADOWBROOK Income $28,000$28,000$28,000$2,000(300) Education 15 Years 16116 ELMBROOK Income $16,000$18,000$12,000$3,000(300) Education 11 Years 11111.0
* 4 yrs college =16 yrs; masters / law degrees =18yrs;PhD/MD degrees =20yrs.
-In which neighbourhood(s) do half the families have incomes of $28,000 or more? Annual Family Income and Education
Statistics for Three Neighborhoods
MeanMedianModeStand Dev.(N) GLENBROOK Income $78,000$27,000$26,000$8,000(300) Education 17 Years 18203MEADOWBROOK Income $28,000$28,000$28,000$2,000(300) Education 15 Years 16116 ELMBROOK Income $16,000$18,000$12,000$3,000(300) Education 11 Years 11111.0
* 4 yrs college =16 yrs; masters / law degrees =18yrs;PhD/MD degrees =20yrs.
Definitions:
Ecosystem Interactions
These are the dynamic relationships and exchanges between organisms and their environment within an ecosystem, including predation, competition, and mutualism.
Pollution
Any environmental change that adversely affects the lives and health of living organisms.
Extinctions
refer to the complete disappearance of a species from Earth, often caused by environmental changes, human activities, or other factors.
Genetic Diversity
The total number of genetic characteristics in the genetic makeup of a species, it serves as a way for populations to adapt to changing environments.