Please show the full solution and correct formulas. A distance $AB$ is observed repeatedly using the same equipment and procedures, and the resuls, in meters, are listed below:

$83\mathrm{.}401,83\mathrm{.}400,83\mathrm{.}402,83\mathrm{.}406,83\mathrm{.}401,83\mathrm{.}316,83\mathrm{.}401,83\mathrm{.}405,$ and $83\mathrm{.}404$

Part A

Deblermine the mange wibin which the observations should fall $90\%$ of the time:

Expess your answers, separated by a comma, to six significant floures.

Previous Answes

Part $B$

What portcintage of values tal within Bis rango?

Express your answer to three signifieant figures.

Brevlous Answers

Part C

Determine the range althin which the observations should fall $96\%$ of the time:

Express your answers, separated by a comma, to six significant figures.

Lower bound $=,$ Upper bound $=83\mathrm{.}3969\mathrm{.}83\mathrm{.}4076m,m$

Part D

What percentige of values fall within this range?

Express your answer to three significant figures.