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

question 18

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 degrees of freedom of the test statistic are

• A)9.
• B)1.
• C)4.
• D)2.

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Definitions:

Face-to-Face Teams

Teams that operate and interact primarily through direct, in-person meetings, emphasizing the value of physical presence for collaboration and communication.

Team Leadership Model

A framework for understanding the role of the leader in ensuring team effectiveness, emphasizing functions such as setting direction, creating alignment, and fostering commitment among team members.

Diagnoses

The process of identifying a problem, condition, or disease based on its symptoms and signs, typically requiring professional evaluation.

Team Problems

Challenges or difficulties encountered by a group working together towards a common goal.