Instruction 15-11
Recent Studies Have Found That Australian Children Are

question 2

Multiple Choice

Instruction 15-11
Recent studies have found that Australian children are more obese than in the past.The amount of time children spent watching television has received much of the blame.A survey of 100 ten-year-olds revealed the following with regards to weights and average number of hours a day spent watching television.You are interested in testing whether the average number of hours spent watching TV and weights are independent at 1% level of significance.
| TV Hours |
$$\begin{array} { | l | c | c | c | c | } \hline \text { Weights } & 0 - 3 & 3 - 6 & 6 + & \text { Total } \\\hline \text { More than } 10 \text { kg overweight } & 1 & 9 & 20 & 30 \\\hline \text { Within } 10 \mathrm {~kg} \text { of normal weight } & 20 & 15 & 15 & 50 \\\hline \text { More than } 10 \mathrm {~kg} \text { underweight } & 10 & 5 & 5 & 20 \\\hline \text { Total } & 31 & 29 & 40 & 100 \\\hline\end{array}$$
-Referring to Instruction 15-11,how many children in the survey spend more than 6 hours watching TV and are more than 10 kg overweight?

• A)9
• B)40
• C)1
• D)20

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Definitions:

Constructivist Theory

A learning theory that posits knowledge is constructed through experience and reflection, rather than received from an external source.

Ecological Theory

A framework that explores how individuals interact with and are influenced by their various environments, from immediate surroundings to broader societal structures.

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from a traumatic event or persistent failure to succeed.

Person-centered

An approach that regards individuals as inherently capable of steering their lives positively, often used in psychotherapy to emphasize the importance of the person's own perspective.