A survey was conducted to determine how people feel about the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below. $$\begin{array} { r | l l l l l l l l l }
\text { Stem } & & & & & \
\hline 3 & 1 & 6 & & & & & & \
4 & 0 & 3 & 4 & 7 & 8 & 9 & 9 & 9 \
5 & 0 & 1 & 1 & 2 & 3 & 4 & 5 & \
6 & 1 & 2 & 5 & 6 & 6 & & & \
7 & 1 & 4 & & & & & \
8 & & & & & & & \
9 & 5 & & & & & &
\end{array}$$ What percentage of the respondents rated overall television quality as very good (regarded as ratings of 80 and above)?
A) 1%
B) 5%
C) 4%
D) 20%

Question

A survey was conducted to determine how people feel about the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below. $$\begin{array} { r | l  l l l l l l l l } 
\text { Stem } & & & & & \
\hline 3 & 1 & 6 & & & & & & \
4 & 0 & 3 & 4 & 7 & 8 & 9 & 9 & 9 \
5 & 0 & 1 & 1 & 2 & 3 & 4 & 5 & \
6 & 1 & 2 & 5 & 6 & 6 & & & \
7 & 1 & 4 & & & & & \
8 & & & & & & & \
9 & 5 & & & & & &
\end{array}$$ What percentage of the respondents rated overall television quality as very good (regarded as ratings of 80 and above)?
A) 1%
B) 5%
C) 4%
D) 20%

Quizplus · Accepted Answer

There are 25 total ratings. Only 1 rating is 95, which is 80 and above. Therefore, the percentage is (1/25)*100 = 4%.

A Survey Was Conducted to Determine How People Feel About