Consider the responses to a question measuring commercial believability (shown below). $$\begin{array} { l c c }
\hline \text { Response Options } & \text { Value } & \text { Number of Respondents } \
\hline \text { Extremely believable } & 1 & 1 \
\text { Somewhat believable } & 2 & 2 \
\text { Somewhat unbelievable } & 3 & 5 \
\text { Extremely unbelievable } & 4 & 2\\hline
\end{array}$$ What is the average believability rating?
A)1.5
B)2.5
C)2.8
D)28.0

Question

Consider the responses to a question measuring commercial believability (shown below). $$\begin{array} { l c c } 
\hline \text { Response Options } & \text { Value } & \text { Number of Respondents } \
\hline \text { Extremely believable } & 1 & 1 \
\text { Somewhat believable } & 2 & 2 \
\text { Somewhat unbelievable } & 3 & 5 \
\text { Extremely unbelievable } & 4 & 2\\hline
\end{array}$$ What is the average believability rating?
A)1.5
B)2.5
C)2.8
D)28.0

Quizplus · Accepted Answer

To find the average, we add up all the ratings and divide by the number of responses. (1+1+2+2+2+3+3+3+4+4+5)/11 = 28/11 = 2.54, which rounds to 2.8. Therefore, the answer is C.

Consider the Responses to a Question Measuring Commercial Believability (Shown