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:

Moral Principle

A fundamental belief or value that guides behavior and decision-making based on notions of right and wrong.

Cross-Cultural Research

A research methodology that studies human behavior across different cultures to understand the impact of culture on behavior.

Collectivists

describes individuals or cultures that prioritize the group over individual interests, emphasizing community, cooperation, and interdependence.

Anal Fixation

A stage in Freudian psychoanalytic theory where an individual fails to progress beyond the anal stage of psychosexual development, leading to personality traits such as obsessiveness or stinginess.