Instruction 2 -Referring to Instruction 2

question 10

Short Answer

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 relative frequency or percentage distribution 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 at least 10 litres of detergent in a month.

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Definitions:

Margin of Error

An expression of the amount of random sampling error in a survey's results, indicating the confidence in the accuracy of the findings.

Mayoral Election Race

a competition in which candidates vie for the position of mayor in a city or town.

Likely Voters

A term referring to individuals identified in public opinion polling as not only eligible to vote but who also are considered probable to vote in an upcoming election, based on specific criteria.

Majority of Votes

A situation in which more than half of the voting population votes in favor of a particular option or candidate.