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8 pages
Naked Statistics Summary
Naked statistics is written to draw the line between pitfalls and the promise of statistical application in our daily life ...
Naked Statistics Summary
Naked statistics is written to draw the line between pitfalls and the promise of statistical application in our daily life. Charles Wheelan introduces ...
SMU Linear Block Cipher with Block Length N and Alphabet Cryptography Questions
Question 1: Consider the linear block cipher with block length n and alphabet
{0, 1}. On the key space of matrices A ∈ ...
SMU Linear Block Cipher with Block Length N and Alphabet Cryptography Questions
Question 1: Consider the linear block cipher with block length n and alphabet
{0, 1}. On the key space of matrices A ∈ {0, 1}
(n,n)
with det(A) ≡ 1
(mod 2), choose the uniform distribution. Show that this cryptosystem
does not have perfect secrecy.
(Use the definition of perfect secrecy, and find a counterexample with n = 2, for instance.) 2: Let n be a positive integer. A Latin square of order n is an n × n
array L of the integers 1, 2, . . . , n such that every one of the n integers
occurs exactly once in each row and each column of L. An example of a
Latin square of order 3 is as follows:
1 2 3
3 1 2
2 3 1
.
Given any Latin square L of order n, we can define the following
cryptosystem: Take P = C = K = {1, 2, . . . , n}. For 1 ≤ i ≤ n, the
encryption function Ei
is defined to be Ei
(j) = L(i, j). (Hence each row
of L gives rise to one encryption function.)
Give a complete proof that this Latin square cryptosystem achieves
perfect secrecy. (Use Shannon’s theorem).If the question descriptions not clear enough, please check the picture file I posted.
Statistics Question
Find an example of data in the news or on social media and share it in the Discussion Board. If you find your data in an o ...
Statistics Question
Find an example of data in the news or on social media and share it in the Discussion Board. If you find your data in an online source, please include the link to the source in your post. Describe the type of data in your example, and what questions you have around the validity of the data. Is there anything misleading or unclear about the way the data is presented?
Rasmussen College Labor Statistics Worksheet
A major client of your company is interested in the salary distributions of jobs in the state of Minnesota that range from ...
Rasmussen College Labor Statistics Worksheet
A major client of your company is interested in the salary distributions of jobs in the state of Minnesota that range from $30,000 to $200,000 per year. As a Business Analyst, your boss asks you to research and analyze the salary distributions. You are given a spreadsheet that contains the following information:
A listing of the jobs by title
The salary (in dollars) for each job
In prior engagements, you have already explained to your client about the basic statistics and discussed the importance of constructing confidence intervals for the population mean. Your client says that he remembers a little bit about hypothesis testing, but he is a little fuzzy. He asks you to give him the full explanation of all steps in hypothesis testing and wants your conclusion about two claims concerning the average salary for all jobs in the state of Minnesota.
Background information on the Data
The data set in the spreadsheet consists of 364 records that you will be analyzing from the Bureau of Labor Statistics. The data set contains a listing of several jobs titles with yearly salaries ranging from approximately $30,000 to $200,000 for the state of Minnesota.
Why is 2 over 3 x space plus 7 over 2 equals space 3 the same as 4x 21=18? What propert
Why is the same as 4x + 21=18? What property was used to rewritex
Why is 2 over 3 x space plus 7 over 2 equals space 3 the same as 4x 21=18? What propert
Why is the same as 4x + 21=18? What property was used to rewritex
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Most Popular Content
8 pages
Naked Statistics Summary
Naked statistics is written to draw the line between pitfalls and the promise of statistical application in our daily life ...
Naked Statistics Summary
Naked statistics is written to draw the line between pitfalls and the promise of statistical application in our daily life. Charles Wheelan introduces ...
SMU Linear Block Cipher with Block Length N and Alphabet Cryptography Questions
Question 1: Consider the linear block cipher with block length n and alphabet
{0, 1}. On the key space of matrices A ∈ ...
SMU Linear Block Cipher with Block Length N and Alphabet Cryptography Questions
Question 1: Consider the linear block cipher with block length n and alphabet
{0, 1}. On the key space of matrices A ∈ {0, 1}
(n,n)
with det(A) ≡ 1
(mod 2), choose the uniform distribution. Show that this cryptosystem
does not have perfect secrecy.
(Use the definition of perfect secrecy, and find a counterexample with n = 2, for instance.) 2: Let n be a positive integer. A Latin square of order n is an n × n
array L of the integers 1, 2, . . . , n such that every one of the n integers
occurs exactly once in each row and each column of L. An example of a
Latin square of order 3 is as follows:
1 2 3
3 1 2
2 3 1
.
Given any Latin square L of order n, we can define the following
cryptosystem: Take P = C = K = {1, 2, . . . , n}. For 1 ≤ i ≤ n, the
encryption function Ei
is defined to be Ei
(j) = L(i, j). (Hence each row
of L gives rise to one encryption function.)
Give a complete proof that this Latin square cryptosystem achieves
perfect secrecy. (Use Shannon’s theorem).If the question descriptions not clear enough, please check the picture file I posted.
Statistics Question
Find an example of data in the news or on social media and share it in the Discussion Board. If you find your data in an o ...
Statistics Question
Find an example of data in the news or on social media and share it in the Discussion Board. If you find your data in an online source, please include the link to the source in your post. Describe the type of data in your example, and what questions you have around the validity of the data. Is there anything misleading or unclear about the way the data is presented?
Rasmussen College Labor Statistics Worksheet
A major client of your company is interested in the salary distributions of jobs in the state of Minnesota that range from ...
Rasmussen College Labor Statistics Worksheet
A major client of your company is interested in the salary distributions of jobs in the state of Minnesota that range from $30,000 to $200,000 per year. As a Business Analyst, your boss asks you to research and analyze the salary distributions. You are given a spreadsheet that contains the following information:
A listing of the jobs by title
The salary (in dollars) for each job
In prior engagements, you have already explained to your client about the basic statistics and discussed the importance of constructing confidence intervals for the population mean. Your client says that he remembers a little bit about hypothesis testing, but he is a little fuzzy. He asks you to give him the full explanation of all steps in hypothesis testing and wants your conclusion about two claims concerning the average salary for all jobs in the state of Minnesota.
Background information on the Data
The data set in the spreadsheet consists of 364 records that you will be analyzing from the Bureau of Labor Statistics. The data set contains a listing of several jobs titles with yearly salaries ranging from approximately $30,000 to $200,000 for the state of Minnesota.
Why is 2 over 3 x space plus 7 over 2 equals space 3 the same as 4x 21=18? What propert
Why is the same as 4x + 21=18? What property was used to rewritex
Why is 2 over 3 x space plus 7 over 2 equals space 3 the same as 4x 21=18? What propert
Why is the same as 4x + 21=18? What property was used to rewritex
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