The Sequence Is Defined Recursively $$a _ { 1 } = 2 \text { and } a _ { n } = a _ { n - 1 } - 4 \text { for } n \geq 2$$

question 66

Multiple Choice

The sequence is defined recursively. Write the first four terms.
- $$a _ { 1 } = 2 \text { and } a _ { n } = a _ { n - 1 } - 4 \text { for } n \geq 2$$

• A) -4, -8, -12, -16
• B) 2, 6 , 10 , 14
• C) 2, 0 , -4 , -8
• D) 2, -2, -6, -10

Comprehend the concept of correlation, including positive and negative correlations.

Differentiate between the focuses of technicians-in-training and scientists-in-training.

Identify and define different types of data (S, I, B, L) used in psychological research.

Explain the concept of generalizability in research and its facets.

---

Definitions:

Confidence Interval

A swath of numerical values, from statistics of a sample, aimed at covering the unascertained value of a population parameter.

Margin of Error

The half-width of a confidence interval, representing the maximum expected difference between the true population parameter and a sample estimate of that parameter.

Population Standard Deviation

A measure of the dispersion or spread of a set of data values in a population, indicating how much individuals within this population vary from the population mean.

Interval Estimate

An estimate of a population parameter that provides a range of values believed to contain the parameter with a certain degree of confidence.