This paper circulates around the core theme of Remember that the mean of a standard normal distribution is z = 0 and the standard deviation is 1. What is the z-score that is closest to 0 (on either side of the mean) in your data set? What is the z-score that is the farthest from 0 (on either side of t together with its essential aspects. It has been reviewed and purchased by the majority of students thus, this paper is rated 4.8 out of 5 points by the students. In addition to this, the price of this paper commences from £ 99. To get this paper written from the scratch, order this assignment now. 100% confidential, 100% plagiarism-free.
. Green
and Salkind, Lesson 21, Exercise 1
Open the “Lesson 21 Exercise File 1” document
(found in the course’s Assignment Instructions folder) in order to complete
these exercises.
a.
Create a histogram of the anxiety raw scores and paste it
into your homework document.
b.
Using the descriptives method covered in the
presentation and chapter, transform the anxiety raw scores to z-scores,
creating a new variable called “z_anxiety.” Paste the output of descriptive
statistics in your homework document. These descriptive statistics should
describe the original raw scores and not the new z scores.
c.
Remember that the mean of a standard normal
distribution is z = 0 and the standard deviation is 1. What is the z-score that
is closest to 0 (on either side of the mean) in your data set? What is the z-score
that is the farthest from 0 (on either side of the mean) in your data set?
d.
Based on the histogram from (a) and the answers to (c),
would you describe the anxiety data as being normally distributed? Why or why
not? Support your answer with information from the chapter and presentations
regarding normal and standard normal z-distributions.
