The Shape of the Normal Probability Density Function Is a Symmetric

question 163

Multiple Choice

The shape of the normal probability density function is a symmetric bell-shaped curve centered on the:

• A)variance.
• B)standard deviation.
• C)coefficient.
• D)mean.

---

Definitions:

Materials Quantity Variance

The difference between the actual amount of materials used in production and the standard amount expected, multiplied by the standard cost per unit.

Materials Price Variance

The difference between the actual cost of materials purchased and the standard cost, multiplied by the quantity of materials purchased.

Raw Materials Price Variance

The difference between the actual cost of raw materials and the expected (or standard) cost.

Raw Materials Quantity Variance

It measures the difference between the expected amount of raw materials needed for production and the actual amount used.