What Percentage of Students Scored Between 81 and 89 on This

question 64

Essay

What percentage of students scored between 81 and 89 on this exam?

---

Definitions:

Control Limits

Statistical boundaries set in quality control processes to identify when a process is out of control, based on specifications or historical performance data.

Upper Control Limit

The highest value a process variable can reach before it is considered to be out of control in a statistical quality control chart.

Sample Proportion

The ratio of members within a sample that have a particular attribute to the total number of members in the sample.

Level Shift

A sudden change in the baseline level of a time series dataset.