Construct An $\bar { x }$ Chart and Determine Whether the Process Variation Is Within Statistical

question 15

Essay

Construct an $\bar { x }$ chart and determine whether the process variation is within statistical control. A machine that is supposed to produce ball bearings with a diameter of 7 millimeters yields the following data
from a test of 5 ball bearings every 20 minutes.

---

Definitions:

Locus

The specific physical location of a gene or DNA sequence on a chromosome.

Heterozygous

Having two different alleles of a particular gene or genes, resulting in variation in genetic traits.

Homozygous

Having two identical alleles of a particular gene, resulting in a specific trait or characteristic.

Probability

The measure of the likelihood that an event will occur, expressed as a number between 0 and 1.