The Registrar at a State College Is Interested in Determining

question 64

Essay

The registrar at a state college is interested in determining whether there is a difference of more than one credit hour between male and female students in the average number of credit hours taken during a term.She selected a random sample of 60 male and 60 female students and observed the following sample information.
$\begin{array} { l l l } & \text { Male } & \text { Female } \\\text { Sample Mean } & 13.24 & 14.68 \\\text { Population Std Dev } & 1.2 & 1.56 \\\text { Sample Size } & 60 & 60\end{array}$
Set up the alternative hypothesis to test the claim.

---

Definitions:

Formaldehyde

A colorless, strong-smelling gas used in building materials and many household products, known for its preservative and antibacterial properties.

Air Pollution

The presence of substances in the atmosphere that are harmful to human health, the environment, or the climate.

Cilia

Microscopic, hair-like structures that extend from the surface of some cells, involved in movement and sensory functions.

Special Cells

Unique or specialized cells that perform specific functions within an organism, such as nerve cells, muscle cells, or stem cells.