Flashcards
Applied Statistics - Chapter 1: Data and Statistics
Cards in this deck (20)
- 1What is a population?It is the complete set of all items being studied (or big N)
- 2What is a sample?It is an observed subset of the population (or little n)
- 3What is a parameter?It is some description of the population
- 4What is a sample?It is an observed subset of the population (or little n)
- 5What is statistic?It is a descriptive measure computed from a sample
- 6What is random sampling?It is a procedure by which each element in the population has an n / N chance of being selected for the random sample. Officially, this is called random sampling without replacement
- 7What is the formula for the arithmetic mean or the average
- 8What is a mode in a population?The mode of a population or sample is the most frequently occurring value
- 9What is the formula for the median?
- 10What is the formula for percentiles?
- 11How do you find the interquartile range (IQR)?
- 12What is the formula for the sum of Weighted Averages?
- 13How to find the final value of a portfolio?
- 14What is the formula of the geometric mean?
- 15What is the formula of the Average Annual Growth Rate?
- 16What is the formula for the variance?
- 17What is the formula for standard deviation?
- 18What is the formula for z-scores?
- 19What is the formula for covariance?
- 20What is the formula for correlation coefficient?
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- College Economics Flashcards on Applied Statistics - Chapter 1: Data and Statistics, created by Lucas Freires on 24/06/2020.
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- Lucas Freires
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