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

question 38

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,the critical value of the test will be

• A)13.277.
• B)21.666.
• C)14.860.
• D)6.635.

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Definitions:

Delinquent Behavior

Actions that violate the norms or laws of a society or community, often committed by juveniles.

Developmental Track

A framework for understanding the typical sequence of milestones or stages of development that individuals go through in life.

Kohlberg's Stages

A theory proposed by Lawrence Kohlberg that outlines the stages of moral development, ranging from pre-conventional to post-conventional morality.

Moral Reasoning

The process by which individuals make decisions about what is right or wrong in a given situation, often based on ethical principles or social norms.