The numbers of defective items produced by a machine over the last 25 days are as follows: $$\begin{array} { | c | l | l | l | l | l | l | l | l | }
\hline 19 & 6 & 15 & 20 & 17 & 16 & 17 & 12 & 15 \
\hline 29 & 23 & 17 & 7 & 10 & 14 & 14 & 27 & 22 \
\hline 8 & 5 & 23 & 19 & 9 & 28 & 5 & & \
\hline
\end{array}$$ a. Construct a frequency distribution and a relative frequency distribution for these data. Use five class intervals, with the lower boundary of the first class being five items.
b. Construct a relative frequency histogram for these data.
c. What is the relationship between the total area under the histogram you have constructed and the relative frequencies of observations?

Question

The numbers of defective items produced by a machine over the last 25 days are as follows: $$\begin{array} { | c | l | l | l | l | l | l | l | l | } 
\hline 19 & 6 & 15 & 20 & 17 & 16 & 17 & 12 & 15 \
\hline 29 & 23 & 17 & 7 & 10 & 14 & 14 & 27 & 22 \
\hline 8 & 5 & 23 & 19 & 9 & 28 & 5 & & \
\hline
\end{array}$$ a. Construct a frequency distribution and a relative frequency distribution for these data. Use five class intervals, with the lower boundary of the first class being five items.
b. Construct a relative frequency histogram for these data.
c. What is the relationship between the total area under the histogram you have constructed and the relative frequencies of observations?

Quizplus · Accepted Answer

The Answer of The numbers of defective items produced by a machine over the last 25 days are as follows: $$\begin{array} { | c | l | l | l | l | l | l | l | l | } 
\hline 19 & 6 & 15 & 20 & 17 & 16 & 17 & 12 & 15 \
\hline 29 & 23 & 17 & 7 & 10 & 14 & 14 & 27 & 22 \
\hline 8 & 5 & 23 & 19 & 9 & 28 & 5 & & \
\hline
\end{array}$$ a. Construct a frequency distribution and a relative frequency distribution for these data. Use five class intervals, with the lower boundary of the first class being five items.
b. Construct a relative frequency histogram for these data.
c. What is the relationship between the total area under the histogram you have constructed and the relative frequencies of observations?

The Numbers of Defective Items Produced by a Machine Over