(Q 1) What is the (approximate) largest y-value on your Standard Normal Density Function?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Questions about Part 1:
(Q 1) What is the (approximate) largest y-value on your Standard Normal Density Function?
(Q 2) Describe the Standard Normal Density Function. Is it symmetric or skewed? If it is
symmetric, is it bell-shaped or uniform? If it is skewed, is it left- or right-skewed?
(Q 3) Do the r-values of the tails of the Standard Normal Density Function really stop at +4.15?
Why or why not? If not, what values do they go to?
(Q 4) Based on your graph in Part 1, what do the r-values represent?
Transcribed Image Text:Questions about Part 1: (Q 1) What is the (approximate) largest y-value on your Standard Normal Density Function? (Q 2) Describe the Standard Normal Density Function. Is it symmetric or skewed? If it is symmetric, is it bell-shaped or uniform? If it is skewed, is it left- or right-skewed? (Q 3) Do the r-values of the tails of the Standard Normal Density Function really stop at +4.15? Why or why not? If not, what values do they go to? (Q 4) Based on your graph in Part 1, what do the r-values represent?
Graphing a Normal Distribution
Part 1. Generate a plot of the standard normal density function (PDF).
(C 1) We want the r-values to be a sequence from -4.15 to 4.15 by 0.02. Store these as
xvals1.
(C 2) To generate the associated y-values from the standard normal distribution, we input
the xvals1 from (C 1) into the probability density function from a standard normal
distribution. Store these as yvals1.
(C 3) Create a plot of the above r-values and y-values. While creating your plot,
• Your graph should be a continuous line.
• The line should be the color "green4". You MUST use the specific color name
that we have provided.
Set the title of the plot to be "Standard Normal Density Function".
Set the r-axis label to be "Standard Normal Variable".
Set the y-axis label to be "Density".
(Graph 1) After you finish (C 3), save your plot. You will submit it when you submit your
code.
Transcribed Image Text:Graphing a Normal Distribution Part 1. Generate a plot of the standard normal density function (PDF). (C 1) We want the r-values to be a sequence from -4.15 to 4.15 by 0.02. Store these as xvals1. (C 2) To generate the associated y-values from the standard normal distribution, we input the xvals1 from (C 1) into the probability density function from a standard normal distribution. Store these as yvals1. (C 3) Create a plot of the above r-values and y-values. While creating your plot, • Your graph should be a continuous line. • The line should be the color "green4". You MUST use the specific color name that we have provided. Set the title of the plot to be "Standard Normal Density Function". Set the r-axis label to be "Standard Normal Variable". Set the y-axis label to be "Density". (Graph 1) After you finish (C 3), save your plot. You will submit it when you submit your code.
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