Podcast
Questions and Answers
Which organization maintains the S&P 500 stock market index?
Which organization maintains the S&P 500 stock market index?
- Federal Reserve
- NYSE
- S&P Dow Jones Indices (correct)
- NASDAQ
How many common stocks are included in the S&P 500?
How many common stocks are included in the S&P 500?
- 503 (correct)
- 500
- 505
- 508
What percentage of the American equity market does the S&P 500 represent?
What percentage of the American equity market does the S&P 500 represent?
- 60%
- 70%
- 80% (correct)
- 50%
How are the constituent weights in the S&P 500 index determined?
How are the constituent weights in the S&P 500 index determined?
Why does the S&P 500 index contain 503 stocks instead of 500?
Why does the S&P 500 index contain 503 stocks instead of 500?
Which individual is credited with describing the Lincoln index?
Which individual is credited with describing the Lincoln index?
What is another name for the Lincoln index?
What is another name for the Lincoln index?
In what fields is the Lincoln index commonly used?
In what fields is the Lincoln index commonly used?
What does the Lincoln index help estimate?
What does the Lincoln index help estimate?
What is the purpose of the mark and recapture method?
What is the purpose of the mark and recapture method?
Which of the following is NOT a type of interest in ecology when using diversity indices?
Which of the following is NOT a type of interest in ecology when using diversity indices?
What can be the measure of abundance in ecology when using diversity indices?
What can be the measure of abundance in ecology when using diversity indices?
In what field can diversity indices be used to study demographic groups?
In what field can diversity indices be used to study demographic groups?
What are diversity indices used to represent in ecology?
What are diversity indices used to represent in ecology?
What can be the entities of interest in information science when using diversity indices?
What can be the entities of interest in information science when using diversity indices?
Which of the following is a quantitative measure that reflects how many different types there are in a dataset and can take into account the phylogenetic relations among the individuals distributed among those types?
Which of the following is a quantitative measure that reflects how many different types there are in a dataset and can take into account the phylogenetic relations among the individuals distributed among those types?
In ecology, what are the types of interest when using diversity indices?
In ecology, what are the types of interest when using diversity indices?
In demography, what can be the entities of interest when using diversity indices?
In demography, what can be the entities of interest when using diversity indices?
In information science, what can be the entities of interest when using diversity indices?
In information science, what can be the entities of interest when using diversity indices?
What can be the measure of abundance in ecology when using diversity indices?
What can be the measure of abundance in ecology when using diversity indices?
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Study Notes
S&P 500 Index
- Maintained by S&P Dow Jones Indices
- Comprises 503 common stocks, representing approximately 80% of the American equity market
- Constituent weights are determined by market capitalization
- Includes 503 stocks instead of 500 due to companies having multiple classes of shares
Lincoln Index
- Credited to Frederick Charles Lincoln
- Also known as the Margalef index
- Commonly used in ecology and demography
- Helps estimate species richness and diversity
- Used in mark and recapture method to estimate population size
Diversity Indices
- Used to represent species richness and diversity in ecology
- Can be used to study demographic groups in demography
- Entities of interest can be species, genres, or other taxonomic units in ecology
- Entities of interest can be demographic groups, such as age, gender, or occupation in demography
- Entities of interest can be documents, authors, or keywords in information science
- Phylogenetic diversity is a quantitative measure of diversity that takes into account phylogenetic relations among individuals
- Abundance can be measured by frequency, density, or biomass in ecology
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