According to the Empirical Rule,how Many Observations Lie Within +/-

question 121

Multiple Choice

According to the empirical rule,how many observations lie within +/- 2 standard deviation from the mean?

• A)50%
• B)68%
• C)95%
• D)Almost all

---

Definitions:

LCL

Lower control limit, a statistical measure used in quality control processes to indicate when a process is becoming out of control on the low side.

Compressive Strength

The capacity of a material or structure to withstand loads tending to reduce size, often measured as the maximum stress it can endure without failure.

Injection Molding

The method of creating parts through the injection of molten substances into a mold.

Capability Index

A statistical tool used to determine the capability of a manufacturing process to meet its specified limits.