A research was conducted to evaluate the effectiveness of a clients new advertising campaign. A pre-survey was conducted through telephonic interviews for 150 households regarding the awareness of the...



A research was conducted to evaluate the effectiveness


of a client’s new advertising campaign. A pre-survey was


conducted through telephonic interviews for 150


households regarding the awareness of the new product


in a selected area. Around 60 households were labeled to


be “aware.” The new campaign has been started with TV


and newspaper advertisements, which resulted in 120 of


the 250 households being “aware” of the client’s product.


a. What is required to identify if the data are


approximately normally distributed preceding a


hypothesis testing for two population proportions?


Justify it with the data provided in the question.


b. Do the data support the position that the advertising


campaign has provided an increased awareness of


the client’s product? Conduct an appropriate


hypothesis testing by using 5% significance level.



May 07, 2022
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