The marketing manager of a company manufacturing detergents conducted a
survey to assess customers response to new packaging recently introduced. She
classified the customers according to gender and from a random sample of 300
customers, she got the following results.
Preference
New
packaging
Old packaging Undecided
Male 27 14 92
Female 73 82 12
Required:
Test at 1% level of significance if there is any significant relationship in
packaging preference and gender.
(10 marks)