Instruction 2.4
The following are the durations in minutes of a sample of long-distance phone calls made within Australia reported by one long-distance carrier.
$$\begin{array} { | l | l | }
\hline \text { Time (in Minutes) } & \text { Relative Frequency } \
\hline0 \text { but less than 5 } & 0.37 \
\hline 5 \text { but less than 10 } & 0.22 \
\hline \begin{array} { l }
10 \text { but less than } \
15
\end{array} & 0.15 \
\hline \begin{array} { l }
15 \text { but less than } \
20
\end{array} & 0.10 \
\hline \begin{array} { l }
20 \text { but less than } \
25
\end{array} & 0.07 \
\hline \begin{array} { l }
25 \text { but less than } \
30
\end{array} & 0.07 \
\hline 30 \text { or more } & 0.02 \
\hline
\end{array}$$
-Referring to Instruction 2.4,what is the width of each class?
A) 5 minutes
B) 100%
C) 2%
D) 1 minute

Question

Instruction 2.4
The following are the durations in minutes of a sample of long-distance phone calls made within Australia reported by one long-distance carrier.
 $$\begin{array} { | l | l | } 
\hline \text { Time (in Minutes) } & \text { Relative Frequency } \
\hline0 \text { but less than 5 } & 0.37 \
\hline 5 \text { but less than 10 } & 0.22 \
\hline \begin{array} { l } 
10 \text { but less than } \
15
\end{array} & 0.15 \
\hline \begin{array} { l } 
15 \text { but less than } \
20
\end{array} & 0.10 \
\hline \begin{array} { l } 
20 \text { but less than } \
25
\end{array} & 0.07 \
\hline \begin{array} { l } 
25 \text { but less than } \
30
\end{array} & 0.07 \
\hline 30 \text { or more } & 0.02 \
\hline
\end{array}$$
-Referring to Instruction 2.4,what is the width of each class?
A) 5 minutes
B) 100%
C) 2%
D) 1 minute

Quizplus · Accepted Answer

The width of each class interval, as shown in the table, is 5 minutes (e.g., 0-5, 5-10, etc.).

Instruction 2 -Referring to Instruction 2