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Instruction 2 -Referring to Instruction 2

question 113

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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.
 Stem  Leaves 9147100223811135566777122234891302\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,construct a cumulative percentage distribution for the detergent data if the corresponding frequency distribution uses '9.0 but less than 9.9' as the first class.


Definitions:

Ego-idealizations

The process of constructing ideals or perfect versions of oneself that the ego aspires to achieve, often influenced by personal values and societal expectations.

Trust versus Mistrust

A stage in Erik Erikson's theory of psychosocial development where an infant learns to trust or mistrust their caregivers and the world based on their experiences of consistency and care.

Oral Stage

A phase in Freud's psychosexual development theory focusing on an infant's pleasure centers around the mouth.

Psychosocial Development

A theory formulated by Erik Erikson that describes the impact of social experience across the whole lifespan.

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