Instruction 2-16
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.
$$\begin{array} { l l }
9 | 147 \
10 | 02238 \
11 | 135566777 \
12 | 223489 \
13 | 02
\end{array}$$
-Referring to Instruction 2-16,if a percentage histogram for the detergent data is constructed,using "9.0 but less than 9.9 litres" as the first class,________ percent of drive-through car wash operations use less than 12 litres of detergent in a month.

Question

Instruction 2-16
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.
 $$\begin{array} { l l } 
9 | 147 \
10 | 02238 \
11 | 135566777 \
12 | 223489 \
13 | 02
\end{array}$$
-Referring to Instruction 2-16,if a percentage histogram for the detergent data is constructed,using "9.0 but less than 9.9 litres" as the first class,________ percent of drive-through car wash operations use less than 12 litres of detergent in a month.

Quizplus · Accepted Answer

The Answer of Instruction 2-16
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.
 $$\begin{array} { l l } 
9 | 147 \
10 | 02238 \
11 | 135566777 \
12 | 223489 \
13 | 02
\end{array}$$
-Referring to Instruction 2-16,if a percentage histogram for the detergent data is constructed,using "9.0 but less than 9.9 litres" as the first class,________ percent of drive-through car wash operations use less than 12 litres of detergent in a month.

Instruction 2-16 Given Below Is the Stem-And-Leaf Display Representing the Amount

Instruction 2-16
Given Below Is the Stem-And-Leaf Display Representing the Amount