Statistics – discussion questions | Financial markets homework help



Questions 1: Define what are the four principles of Statistics when collecting data values?


Question 2: What is the main difference between Statistics and Statistic?  Please explain!


Question 3: What are the main differences between sample and population?  Explain with an example to support your answers!


Question 4: At what size is a sample representative of a population and why?  Please explain in detail!


Question 5:What is the main purpose of Inferential Statistics?  Support your answers with an example!


Week Two


Question 1: What are the main categories into which we can classify data values in Statistics?


Question 2: What is the main difference between qualitative and quantitative data.  Please support your answer with an example!


Question 3: What are the main measures of Central Tendency in Statistics.  Please explain each in detail!


Question 4: Describe a continuous variable and a discrete variable by using an example to support your answers.


Question 5: What are the main applications of a: Histogram, an Ogive, and Stem and Leaf.  Please explain in detail!


Week Three


Question 1:  Please defined what are the measures of Central Tendency?


Question 2:  Explain what are the differences among Mean, Median and Mode?  Use a numerical example to support your answers.


Question 3:  What is the Empirical Rule and when we use it?


Question 4:  What is the Chebyshev’s Theorem and when we use it?  Also, explain the meaning of skewness in a distribution?


Question 5: How many quartiles we have in a Normal Distribution?  How many deciles we have?  How many percentiles we have?  Briefly explain what is the Interquartile Range and support your answers with a numerical example!


Week Four


Question 1:  What is the main objective of the Theory of Probability in Statistics?


Question 2:  Please define a Sample Space


Question 3:  Define the range of probabilities of any events in our daily life.


Question 4:  Define the Addition Rule and the Multiplication Rule and support your answers with valid numerical examples.


Question 5:  Define Mutually Exclusive Events versus Independent Events.  Support your answers with valid examples!


Week Five


Question 1: What are the differences between Discrete and Continuous Random Variables?
Question 2: What is a Binomial Disbribution?
Question 3: What is a Poisson Distribution?
Question 4: How can we identify a Poisson Distribution?
Question 5: Please explain degrees of freedom with some valid examples!


Week Six:


Question 1: Please define a Z-Score?
Question 2: What are the main differences between a Z-Socre and an X-Probability? What are their correlations?
Question 3: In a Bell-Shaped Distribution what is the main purpose of a Z-Score? Please provide an example to support your answers.
Question 4: Please explain degrees of freedom?
Question 5: Please provide an example of a probability equal to one, and a probability equal to zero. Why a probability can’t be negartive? Explain in detail to support your answers.




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