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:

Training Program

An organized set of courses or activities aimed at improving the abilities and competencies of employees or individuals.

Off-The-Job Instructional

Training or learning activities conducted outside the normal work environment to equip employees with specific skills or knowledge.

Personality Conflicts

Disagreements or disputes that arise due to differences in individuals' characteristics, beliefs, or attitudes.

Role Play

An educational or training activity where participants act out specific roles to simulate a situation, often to develop skills, strategies, or understanding of various perspectives.