Scores on a Test Have a Mean of 70 And Q

question 18

Multiple Choice

Scores on a test have a mean of 70 and $Q _ { 3 }$ is 83 . The scores have a distribution that is approximately normal. Find $P _ { 90 }$ (You will need to first find the standard deviation.)

• A) 92.9
• B) 93.7
• C) 95.6
• D) 94.8

---

Definitions:

Punish

To impose a penalty or sanction on someone as a consequence of their actions.

Good Grades

Academic achievement indicated by high marks in schooling or other educational contexts.

Vocational Training

Education and training designed to equip individuals with specific skills and knowledge required for a particular job or occupation.

Comprehensive

Covering or including everything; broad in scope or content.