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.