Probability and Statistics

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What does a test statistic tell you?
What does a test statistic tell you? What does the test statistic tell you?...
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What types of trends might statistical analysis reveal?
What types of trends might statistical analysis reveal?...
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Is age quantitative or qualitative?
Is age quantitative or qualitative?...
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is shoe size categorical or quantitative?
is shoe size categorical or quantitative?...
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Statistics is the science of conducting studies to
Statistics is the science of conducting studies to....
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Suppose that 10% of a population is left-handed. What is the probability that in a sample of n = 10 individuals

Suppose that 10% of a population is left-handed. What is the probability that in a sample of n = 10 individuals, 3 or more individuals are left-handed?

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How to get descriptive statistics in excel

This requires an explanation on how to compute descriptive statistics excel. 

Objective: Learn to how to do descriptive statistics in excel.

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Difference between descriptive and inferential statistics

Discuss the difference between descriptive statistics and inferential statistics.

Follow the outline below:

  • What is descriptive statistics
  • What is inferential statistics
  • How is inferential statistics different from descriptive statistics
  • When should you use which type of statistic, and why
  • Which types of tests are included in each category, and what do they measure
  • Example of a test that falls into both descriptive statistics and inferential statistics (t-test)
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What are the requirement for the Wilcoxon​ signed-ranks test for matched​ pairs?

What are the requirement for the Wilcoxon​ signed-ranks test for matched​ pairs?

Outline the basic requirements  for Wilcoxon signed rank tests as they apply for matched pairs.

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What is the conclusion for Wilcoxon​ signed-ranks sum hypothesis​ test?

What is the conclusion for Wilcoxon​ signed-ranks sum hypothesis​ test?


How do you make conclusion on Wilcoxon​ signed-ranks sum hypothesis​ test?


What is the criteria for rejecting or failing to reject H0 or H1 in Wilcoxon​ signed-ranks sum hypothesis​ test?

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What are the different types of non-parametric statistical tests?

What are the different types of non parametric statistical tests? Briefly list and explain various types of non-parametric tests used in statistics. Are there advantages of some non-parametric statistical tests over the others?

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What is a major constraint about non parametric tests

What is a major constraint about non parametric tests? Briefly explain the major constraint about non parametric tests

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How do you compare Wilcoxon​ signed-ranks test with sign​ test?

In what sense does the Wilcoxon​ signed-ranks test incorporate and use more information than the sign​ test?

Compare how you compare the information used by Wilcoxon​ signed-ranks test as compared to the sign test

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What are the requirements of Wilcoxon​ signed-ranks test -​ "distribution-free test"

What are the requirements of performing a Wilcoxon signed-ranks tests?

Are there any requirement that the populations must have a normal distribution or any other specific​ distribution?

In what sense is this Wilcoxon​ signed-ranks test a​ "distribution-free test"?

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