The Width of a Confidence Interval Estimate of the Population

question 9

Short Answer

The width of a confidence interval estimate of the population mean widens when the: $\begin{array}{|l|l|}\hline A&\text {level of confidence increases. }\\\hline B&\text {sample size increases. }\\\hline C&\text {population standard deviation decreases. }\\\hline D&\text {Sample mean gets further from the population mean. }\\\hline \end{array}$

---

Definitions:

Higher Salaries

Refers to income levels that are above the average or median for a particular job, industry, or region.

Child Care Services

Services and facilities provided to care for children when their parents or primary caregivers are unavailable or at work.

Education

The process of facilitating learning, or the acquisition of knowledge, skills, values, beliefs, and habits through various means such as schooling.

Glass Ceiling

Attitudinal and organizational workplace obstacles that prevent women from advancing to leadership positions.