How are descriptive and inferential statistics related to each other?What do inferential statistics involve that descriptive statistics do not?

Module 1 Assignment

Write at least three complete sentences in your answer (you can of course write more). Answers less than three sentences, or not in complete sentences, will not be graded. When a question asks “Why,” explain your answer!

Chapter One

How are descriptive and inferential statistics related to each other?What do inferential statistics involve that descriptive statistics do not? (2pts)

How does a sample relate to a population? (1pts)

Chapter Two

Under what conditions would you use the median rather than the mean as a measure of central tendency? Why? Provide an example of two situations where the median might be more useful than the mean. (2pts)

 

Briefly describe what a visual inspection of this output tells you about the nature of the curves.

Statistics

Create two histograms for visual interpretation using the following variables:

Final final exam: number of correct answers
Create two histograms and paste them into your Word document:

A histogram for male students.
A histogram for female students.
Briefly describe what a visual inspection of this output tells you about the nature of the curves.

Part 2
Create a descriptives table to assess measures of central tendency and dispersion using the following variables:

SPSS Variable Definition
GPA Previous grade point average
Quiz3 Quiz 3: number of correct answers
Create a descriptives table and paste it into your Word document.

Under the table:

Report the mean, standard deviation, skewness, and kurtosis for GPA and quiz3.
Briefly describe what skewness and kurtosis tell you about these data with regard to normality.

Submit both sections of your assignment as an attached Word document.

Explain whether your hypothesis was determined to be correct, incorrect, or inconclusive.

Analysis Paper

Attached will be calculations ran such as Z scores, standard deviation, T-statistic, sum of product etc.. Talk about those calculations in depth. Discuss & describe the tests you ran & why you ran those specific tests; Explain what the results mean in a practical discussion. What do the numbers mean? Were London-boarders more likely to survive? Was the data statistically significant? Etc. ; Explain whether your hypothesis was determined to be correct, incorrect, or inconclusive;