Thirty-Five Employees Who Completed Two Years of Tertiary Education Were

question 52

Essay

Thirty-five employees who completed two years of tertiary education were asked to take a basic mathematics test. The mean and standard deviation of their marks were 75.1 and 12.8, respectively. In a random sample of 50 employees who only completed high school, the mean and standard deviation of the test marks were 72.1 and 14.6, respectively.
a. Estimate with 90% confidence the difference in mean scores between the two groups of employees.
b. Explain how to use the interval estimate in part a. to test the hypotheses.

---

Definitions:

Emotional Effects

The impact or influence that certain events, stimuli, or interactions have on an individual’s emotions or mood.

Grade-School Age

The period in a child's life when they are attending elementary or primary school, typically between the ages of 6 to 12 years.

Initiated

The process of beginning something or being introduced into a new project, status, or activity.

Nontraditional Families

Family structures that deviate from the traditional model of two biological parents raising their children, such as single-parent families, blended families, and same-sex parent families.