The Local College Runs 24 Classes of Business Mathematics for the 1,000

question 207

Short Answer

The local college runs 24 classes of Business Mathematics for the 1,000 first-year students. Next year, the college is expecting 1,300 first-year students. Assuming the same student number-Business Mathematics class ratio, how many additional classes of Business Mathematics should the college plan for?

---

Definitions:

Pooled Variance

A method used in statistical analysis to estimate the variance of two or more different populations by pooling their variances, assuming they have the same variance.

Sample Sizes

The number of observations or units chosen from a larger population for the purpose of statistical analysis.

Weighted Average

An average resulting from the multiplication of each component by a factor reflecting its importance.

Z-score

A numerical metric indicating how a particular value compares to the average of a dataset, expressed by the number of standard deviations it lies from the mean.