A Simple Random Sample of 6 Computer Programmers in Houston

question 18

Short Answer

A simple random sample of 6 computer programmers in Houston, Texas revealed the sex of the programmers and the following information about their weekly incomes.
$\begin{array}{ccc}\text { Programmer }&\text { Weekly Income }&\text { Sex }\\\text { A } & \$ 250 & \text { M } \\\text { B } & 270 & \text { M } \\\text { C } & 285 & \text { F } \\\text { D } & 240 & \text { M } \\\text { E } & 255 & \text { M } \\\text { F } & 290 & \text { F }\end{array}$
a. What is the point estimate for the average weekly income of all the computer programmers in Houston?
b. What is the point estimate for the standard deviation of the population?
c. Determine a point estimate for the proportion of all programmers in Houston who are female.

Recognize the impact of aging on cognitive abilities, and the potential for cognitive training and lifestyle to mitigate declines.

Grasp the physiological changes occurring with aging and their impacts on health, including heart health and immune function.

Understand the importance of nutrition and the challenges older adults face in meeting dietary needs.

Acknowledge the potential for neuroplasticity and neurogenesis in the aging brain and its implications for cognitive functioning.

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Definitions:

Hidden Profiles

Situations in which the best collective decision is not obvious because each team member has access to unique information not held by others, often leading to suboptimal decision-making.

Demonstrably Correct Solutions

Demonstrably Correct Solutions are solutions or answers to problems that can be proven to be right or effective through evidence or demonstration.

Sins of Commission

Errors or wrongdoings resulting from action taken, as opposed to inaction or omission.

Sins of Omission

Failures to act that result in negative outcomes or harm, often discussed in ethical or moral contexts.