Find the Variance for the Given Data $$\begin{array} { l l l l l } 11.7 & 17.9 & 18.4 & 12.9 & 17.1 \\15.8 & 11.3 & 28.7 & 18.0 & 26.4\end{array}$$

question 81

Short Answer

Find the variance for the given data. Round your answer to one more decimal place than the original data.
-A class of sixth grade students kept accurate records on the amount of time they spent playing video games during a one-week period. The times (in hours) are listed below: $$\begin{array} { l l l l l } 11.7 & 17.9 & 18.4 & 12.9 & 17.1 \\15.8 & 11.3 & 28.7 & 18.0 & 26.4\end{array}$$
A) $147.46 \mathrm { hr } ^ { 2 }$
B) $30.11 \mathrm { hr } ^ { 2 }$
C) $33.46 \mathrm { hr } ^ { 2 }$
D) $33.36 \mathrm { hr } ^ { 2 }$

• A) \(147.46 \mathrm { hr } ^ { 2 }\)
• B) \(30.11 \mathrm { hr } ^ { 2 }\)
• C) \(33.46 \mathrm { hr } ^ { 2 }\)
• D) \(33.36 \mathrm { hr } ^ { 2 }\)

Appreciate the significance of lithium in the management of bipolar disorder.

Contrast different therapeutic philosophies, specifically psychoanalytic psychotherapy and humanistic therapies.

Identify and understand the techniques utilized in family therapy.

Grasp the principles of client-centered therapy.

---

Definitions:

Fast-Food Restaurant

A type of restaurant that offers quick service, convenience, and food that is prepared and served quickly to the customer, often at a lower cost compared to full-service establishments.

Tightly Controlled Conditions

Environments or experiments where variables are strictly managed to ensure accurate and consistent results.

Cause And Effect

A principle signifying that an action or phenomenon invariably leads to or results in another, typically used to explain causality in events or processes.

Manipulating Factors

Variables that researchers or experimenters actively change or control to observe their effects on other variables.