A Seasonal Index for a Monthly Series Is About to Be

question 10

Multiple Choice

A seasonal index for a monthly series is about to be calculated on the basis of three years' accumulation of data. The three previous July values were 110, 150, and 130. The average demand over all months during the three-year time period was 190. What is the approximate seasonal index for July?

• A) 0.487
• B) 0.684
• C) 1.462
• D) 2.053
• E) cannot be calculated with the information given

Differentiate between various models of group development and their stages.

Discern the relationship between group cohesion, conflict resolution, and group size.

Describe the objectives and ethical considerations for conducting group exercises and activities.

Recognize the importance of leadership roles and responsibilities in fostering a conducive group environment.

---

Definitions:

Standard Deviations

A measure of the amount of variation or dispersion of a set of values, indicating how much the values in the set depart from the mean.

Z-Scores

Standardized scores that indicate by how many standard deviations an element is from the mean.

Z-Score

Another term for standard score, indicating the number of standard deviations a data point is from the mean of its distribution.

Standard Deviations

A statistical measure that quantifies the amount of variation or dispersion of a set of data values.