Determine and Interpret Z-Scores

question 3

Short Answer

Determine and Interpret z-Scores
-Test scores for a statistics class had a mean of 79 with a standard deviation of 4.5. Test scores for a calculus class had a mean of 69 with a standard deviation of 3.7. Suppose a student gets a 60 on the statistics test and a 87 on the calculus test. Calculate the z-score for each test. On which test did the student perform better relative to the other students in each class

---

Definitions:

Salesperson

An individual who sells products or services to customers, aiming to meet their needs and achieve sales targets.

Add Value

Enhancing the worth of a product or service by improving its features, effectiveness, or desirability to increase customer satisfaction.

Increases Sales

The process of boosting the number of products or services sold, often through marketing, promotion, or improving sales tactics.

Excellent Customer Service

The provision of outstanding assistance and support to customers before, during, and after a purchase, exceeding expectations.