Instruction 2.8
Given below is the stem-and-leaf display representing the amount of detergent used in litres (with leaves in 10ths of litres) in a month by 25 drive-through car wash operations in Auckland.
$$\begin{array} { | l | l | }
\hline \text { Stem } & \text { Leaves } \
\hline 9 & 147 \
\hline 10 & 02238 \
\hline 11 & 135566777 \
\hline 12 & 223489 \
\hline 13 & 02 \
\hline
\end{array}$$
-Referring to Instruction 2.8,if a percentage histogram for the detergent data is constructed,using '9.0 but less than 9.9 litres' as the first class,_________% of drive-through car wash operations use less than 12 litres of detergent in a month.

Question

Instruction 2.8
Given below is the stem-and-leaf display representing the amount of detergent used in litres (with leaves in 10ths of litres) in a month by 25 drive-through car wash operations in Auckland.
 $$\begin{array} { | l | l | } 
\hline \text { Stem } & \text { Leaves } \
\hline 9 & 147 \
\hline 10 & 02238 \
\hline 11 & 135566777 \
\hline 12 & 223489 \
\hline 13 & 02 \
\hline
\end{array}$$
-Referring to Instruction 2.8,if a percentage histogram for the detergent data is constructed,using '9.0 but less than 9.9 litres' as the first class,_________% of drive-through car wash operations use less than 12 litres of detergent in a month.

Quizplus · Accepted Answer

The Answer of Instruction 2.8
Given below is the stem-and-leaf display representing the amount of detergent used in litres (with leaves in 10ths of litres) in a month by 25 drive-through car wash operations in Auckland.
 $$\begin{array} { | l | l | } 
\hline \text { Stem } & \text { Leaves } \
\hline 9 & 147 \
\hline 10 & 02238 \
\hline 11 & 135566777 \
\hline 12 & 223489 \
\hline 13 & 02 \
\hline
\end{array}$$
-Referring to Instruction 2.8,if a percentage histogram for the detergent data is constructed,using '9.0 but less than 9.9 litres' as the first class,_________% of drive-through car wash operations use less than 12 litres of detergent in a month.

Instruction 2 -Referring to Instruction 2