3. Test of Independent
• Ho – The car model
appeal is independent
of the age groups
Below
20
20-39 40 and
above
Like the
car
140 80 40
Dislike
the car
60 50 30
4. Test of Goodness of Fit
• The movies appeal equally to all age
groups.
• The accidents are uniformly distributed
over the week.
• There is no association between economic
condition at home and IQ.
5. Strength of Association Between
Two Variables or Indexes of
Agreement
Contingency Coefficient
• 0 to 1 value
• (2/2) / (3/3) / (4/4)
6. Strength of Association Between
Two Variables or Indexes of
Agreement
Phi-Correlation
• 0 to 1 value
• (2/2)
7. Strength of Association Between
Two Variables or Indexes of
Agreement
Lambda Coefficient
• Chances of reduction in error in estimating
one variable to another variable
• E.g. – 30%
