Explanation

• Variance is defined as the average of the squared differences from the mean.
• It measures how spread out the data is from the average value.

The formula for variance is: Σ(xi - μ)^2 / n

Where:

• xi are individual data points
• μ is the mean
• n is the number of data points

Explanation

• Gerontology is the study of the physical, social, and mental aspects of aging, examining the changes that occur as people age and ways to promote healthy aging.
• It's an interdisciplinary field that aims to understand the aging process and improve the lives of older adults, enhancing their well-being and quality of life.

Explanation

• The Sensorimotor stage (0-2 years) is a period of sensory and motor exploration, where children learn through experiences and interactions, but lack cognitive understanding of different perspectives.
• Children in this stage are egocentric, meaning they see the world only from their own viewpoint, and don't yet possess the ability to think abstractly.

Explanation

• In a round table discussion, participants discuss the topic informally among themselves and with the audience, encouraging a relaxed and open exchange of ideas and perspectives.
• This format fosters a dynamic and interactive conversation, rather than a formal presentation or lecture.

Explanation

• The word "Administration" is derived from the Latin word "ad and ministrare" which means "to serve or to look after the people or to care for or to manage".
• Thus, literally the term administration means management of affairs- public or private.

Explanation

• Both the Individual and the Group are accountable in cooperative learning.
• Students are responsible for their own learning and contributions to the group.
• While the group as a whole is also accountable for achieving the shared goals and outcomes.

Explanation

Kilpatrick devised four classes of projects for his method:

1. Construction (such as writing a play)
2. Enjoyment (such as experiencing a concert)
3. Problem (for instance, discussing a Complex social problem like poverty)
4. Specific learning (learning of skills such as swimming)

Explanation

• ACR stands for Annual Confidential Report.
• It is a performance appraisal report used to evaluate an employee's performance, behavior, and potential over a specific period, usually a year.
• It is typically used in government and public sector organizations.

Explanation

• Planning
• Organizing
• Leading (or Directing)
• Controlling

Explanation

• A cash book is a financial journal that records all cash transactions, including money received and disbursed.
• It is a vital tool for managing and tracking a company's cash flow.