In a Statistic Class,10 Scores Were Randomly Selected with the Following

question 88

Multiple Choice

In a statistic class,10 scores were randomly selected with the following results were obtained: 74,73,77,77,71,68,65,77,67,66 What is the mode?

• A)71.5
• B)72.0
• C)77.0
• D)71.0
• E)73.0

---

Definitions:

Roughness Average

A measure of the average deviations of a surface from its geometric ideal form, indicating the surface texture.

Roughness Grade

A classification system for the surface texture of objects, typically measured by the average machined surface roughness.

Microinches

A unit of length used in engineering and machining that equals one millionth of an inch, often used to specify surface finish.

Micrometers

Precision measuring instruments used to measure very small dimensions with high accuracy.