Descriptive Univariate Tests

Descriptive Univariate Tests

1. central tendency

   • nominal
     • mode
   • ordinal
     • mode
     • median
   • interval/ratio
     • mean
     • median
     • mode

2. dispersion

   • how spread out are the variables
   • standard deviation
     • z score
       • z=x-X/s
         • touching the mean = column B

3. normal curve

   • all 3 cental tendencies the same
   • symmetrical distribution