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Flow Chart, image - Coggle Diagram

- - - - Yes
        
        Know:
        Sample Size
        Stdv of Population
        Sample mean
        Alpha
        Ask
        Population mean with confidence level (range)
        
        Excel for CI
        Confidence.Norm
        
        Answer:
        Sample mean +/- CI
      - No
        
        Know:
        Sample Size
        Stdv of sample** (Excel : SDEV.S)
        Sample mean
        Alpha
        Ask
        Population mean with confidence level (range)
        
        Excel for CI
        Confidence.T
        
        Answer:
        Sample mean +/- CI
        
        Data Analysis: Find CI
        Descriptive Statistics
        
        Input:
        Sample data
        Confidence level
        
        Answer:
        Sample mean +/- CI
  - - - do we know population stdev?
        
        Yes
        
        Know
        Sample mean
        Expected Population mean
        Sample size
        Stdv of population
        Alpha
        Find
        Stdv of sample (stdv of population/sqrt(sample size))
        Ask
        P-value evaluation
        Reject Ho or not
        
        Excel for P-value
        Norm.dist
        
        1 more item...
        
        NO
        
        Know
        Sample mean
        Expected Population mean
        Sample size
        Alpha
        Find
        Stdv of sample (Excel :stdev.s)
        Degree of freedom (sample size-1)
        T-statistic ((Sample mean-expected population mean)/(Stdv of sample/sqrt(sample size))
        
        Ask
        P-Value evaluation
        Reject Ho or not
        
        Excel for P-value
  - - - Paired sample or independent sample?
        
        Paired sample
        
        Data analysis: find: P(F<=f) one-tail
        t-Test: Paired Two Sample for Means
        
        Independent sample
        
        Variance are the same
        or
        Variance are different
        
        Data analysis: find: P(F<=f) one-tail
        F-Test two sample for Varience
        
        P-value 2 tail
        
        1 more item...
      - Chisq.test(actual range, expected range)
      - Chisq.dist(x, deg_freedom, cumulative)
    - - Chisq.dist.rt(x, deg_freedom)