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Author Question: Explain how the sign test is based on the binomial distribution and is often approximated by the ... (Read 73 times)

Mollykgkg

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on: Jul 24, 2018
Explain how the sign test is based on the binomial distribution and is often approximated by the normal distribution?

Question 2

Using the standard normal curve, the probability or area between z = 1.28 and z = 1.28 is 0.3997.
  Indicate whether the statement is true or false


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alexisweber49

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Reply #1 on: Jul 24, 2018
Answer to Question 1

The sign test is a binomial experiment of n trials (the n data observations) with two outcomes for each data (+) or ( ), and p = (+) = 0.5 . The variable x is the number of the least frequent sign.

Answer to Question 2

F


Mollykgkg

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Reply 2 on: Jul 24, 2018
Excellent

vickyvicksss

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Reply 3 on: Yesterday
:D TYSM

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