Real Pop
a Marketing Research Firm Is Conducting a Survey

Essay

Real pop
A marketing research firm is conducting a survey to determine if there is a difference in consumer choice in the selection of two rival soft drinks.Those surveyed were asked to rank the taste from 1-10 with 10 being the highest rating.A summary of the survey follows: $$\begin{array} { | c | c | } \hline \text { Real Cola } & \text { New Pep } \\\hline n _ { 1 } = 30 & n _ { 2 } = 36 \\\bar { x } _ { 1 } = 7.5 & \bar { x } _ { 2 } = 5.4 \\s _ { 1 } ^ { 2 } = 10.6 & s _ { 2 } ^ { 2 } = 14.9 \\\hline\end{array}$$
-State the decision rule for 0.05 level of significance.