The Heights (In Inches)of 20 Randomly Selected Adult Males Are $\alpha = 0.05$

question 7

Essay

The heights (in inches)of 20 randomly selected adult males are listed below. Test the claim that the variance is
less than 6.25. Assume the population is normally distributed. Use $\alpha = 0.05$ and P-values. $$\begin{array} { l l l l l l l l l l } 70 & 72 & 71 & 70 & 69 & 73 & 69 & 68 & 70 & 71 \\67 & 71 & 70 & 74 & 69 & 68 & 71 & 71 & 71 & 72\end{array}$$

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Definitions:

Starter Auxiliary Contact

An auxiliary switch in a motor starter that provides a secondary set of contacts for controlling additional functions or status indication.

Programmed Contact

A virtual representation of a physical contact in a PLC program, which can be turned on or off based on program logic.

JMP Instruction

A command used in computer programming to cause the execution flow to jump to a different part of the program or subroutine.

JSR Command

In programming, the JSR (Jump to Subroutine) command is used to jump from the current code to a subroutine, execute it, and then return to the original point in the code sequence, often found in assembly language or PLC programming.