Sub-dividing Numerical Values

Question

1.    Numerical variables can be subdivided into which two types?

A. Cross-sectional and discrete    
B. Discrete and continuous    
C. Nominal and progressive    
D. Diverse and categorical    


2.    In a recent study, the following data were obtained in response to the question, “Do you favor recycling in your neighborhood?”
 
                Yes     No    No Opinion
Males         25     15        10
Females     30     10        10
 
If a person is picked at random, what is the probability that the person is either male or has no opinion regarding recycling?

  A. 3/5    
  B. 3/10    
  C. 4/5    
  D. 7/10    

Summary

These multiple choice questions belong to Statistics. The 1st question is about subdividing numerical variables and the 2nd question is about probability.

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