a. A random sample of 50 people was asked to rate two brands of ice cream using the following responses:

Delicious

OK

Not bad

Terrible

The responses were converted to codes 4, 3, 2, and 1, respectively. Can we infer that Brand A is preferred?

b. The responses were recoded using the values 28-25-16-3. Can we infer that Brand A is preferred?

c. Compare your answers for Parts (a) and (b). Are they identical? Explain why?

This question requires the use of a computer and software. Use a 5% significance level, unless specified otherwise. Developing an Understanding of Statistical Concepts.