Which Index Would Be BEST to Determine the Rate of Pregnancy

question 15

Multiple Choice

Which index would be BEST to determine the rate of pregnancy gingivitis in this population?

• A)CPI
• B)CPITN
• C)GI
• D)PSR

Understand the concept of a time series and identify its four components: long-term trend, cyclical variation, seasonal variation, and random variation.

Apply exponential smoothing techniques to forecast future values of a time series.

Identify the effects of different smoothing constants on time series forecasts and the speed of reaction to changes in data trends.

Conduct a moving average analysis to smooth time series data and identify patterns.

---

Definitions:

Expected Value

In probability theory, it is the weighted average of all possible values of a random variable, with weights being the probabilities of each outcome.

Natural Log

The logarithm to the base e, where e is an irrational and transcendental constant approximately equal to 2.71828.

Risk Averter

An individual or entity that prefers to avoid risk, typically choosing options with more certain outcomes over those with higher, but more uncertain, returns.

Expected Value

A calculated average of the possible outcomes of a given event, weighted by the likelihood of each outcome occurring.