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Questions and Answers

(1101 solutions)

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If you got a score of x = 76 on your statistics exam, which set of parameters (circumstances) would give you the best grade on the exam?
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Posted by Cleveland on February 19, 2025
Suppose a distribution has a mean µ = 10 and standard deviation σ = 12. What is the value of x if it is z = +1.50?
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Posted by Cleveland on February 19, 2025
Suppose a distribution has a mean µ = 10 and standard deviation σ = 12. What is the value of x if it is z = +1.50?
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Posted by Cleveland on February 19, 2025
Suppose a distribution has a mean µ = 10 and standard deviation σ = 12. What is the value of x if it is z = +1.50?
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Posted by Cleveland on February 19, 2025
Suppose a distribution has a mean µ = 2 and standard deviation σ = 6. What is the value of x if it is z = +3.00?
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Posted by Cleveland on February 19, 2025
Identify the two factors that determine which measure of central tendency is more appropriate to use and when:
  
  
  
  

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Posted by Cleveland on February 19, 2025

A sample with n = 12 has a mean of M = 5 and another sample with n = 4 has a mean of M = 6.  If the two samples are combined what is the new mean?

 

  
  
  
  

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Posted by Cleveland on February 19, 2025
A population has a mean of µ = 12 and ∑x = 240. How many scores are in the population?
  
  
  
  

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Posted by Cleveland on February 19, 2025
A State college wanted to know the hourly wage for every employee - this would include administrators (College President), faculty, staff and student workers who were earning approximately minimum wage. Which  is the best measure of central tendency for these data?
  
  
  

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Posted by Cleveland on February 19, 2025
A State college records the city/town for each student who attends Fall semester.  Which  is the measure of central tendency for these data?  
  
  

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Posted by Cleveland on February 19, 2025