Solve the Problem A) Negative Correlation


B) Positive Correlation

question 7

Multiple Choice

Solve the problem.
-The table below shows the times (in hours) that seven students spend watching television and using the internet. Construct a scatter diagram for the data and state whether these times have no correlation, a positive correlation, or a negative correlation.

$\begin{array}{l}\text { Student TV TimeInternet Time }\\\begin{array}{lcc} & \text { (hours) } & \text { (hours) } \\\text { Tom } & 9 & 6 \\\text { Dick } & 5 & 4 \\\text { Harry } & 3 & 0 \\\text { Sue } & 8 & 9 \\\text { Betty } & 8 & 10 \\\text { Erin } & 6 & 1 \\\text { Jan } & 7 & 10\end{array}\end{array}$

• A) Negative correlation
• B) Positive correlation
• C) No correlation
• D) Positive correlation

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Definitions:

Lag Phase

The initial period of slow growth or inactivity that occurs after bacteria are introduced to a new environment or nutrient medium.

Stable Equilibrium

A state in which a system, when disturbed from an initial condition, experiences forces that tend to return it to its original state.

Growth Rate

The rate at which an organism or population increases in size, often measured as a percentage of increase over a specific period of time.

Death Rate

The ratio of deaths in an area to the population of that area; expressed per 1000 per year.