Which Three Quantities Are Needed to Calculate the Variance

question 20

Multiple Choice

Which three quantities are needed to calculate the variance?

• A)Mean,median,and mode
• B)Mean,observed Y,N
• C)Median,observed Y,N
• D)Mean,standard deviation,N

---

Definitions:

Fidgety

Exhibiting restless or nervous movements, often as a result of impatience, boredom, or anxiety.

Temperament

An individual's innate disposition or behavioral style and characteristic emotional response.

Slow-To-Warm-Up

Describes a temperament where individuals are initially hesitant in new situations or with unfamiliar people, but gradually become more comfortable over time.

Temperament

The inherent part of an individual's personality, including disposition and emotional reactivity, often noticeable from a very young age.