In the June 1976 issue of the Journal of Advertising Research, in an article by J. F. Dash, L. G. Schiffman, and Conrad Berenson entitled "Information Search and Store Choice," the following data...

In the June 1976 issue of the Journal of Advertising Research,

in an article by J. F. Dash, L. G. Schiffman, and Conrad Berenson

entitled "Information Search and Store Choice," the following

data concerning customers at a speciality store and a department

store are reported.

Does the assertion that "customers shopping at the specialty

store are more knowledgeable about audio equipment" appear to

be justified? Use a = 0.05.