Refer to the Following Partial ANOVA Results from Excel (Some

question 124

Multiple Choice

Refer to the following partial ANOVA results from Excel (some information is missing) . $$\begin{array} { | l | c | c | c | c | } \hline \text { Source of Variation } & S S & d f & M S & F \\\hline \text { Nozzle setting } & 3.46722 & 1 & 3.46722 & 4.87198 \\\hline \text { Pressure level } & 8.07444 & & 4.03722 & 5.67291 \\\hline \text { Interaction } & 2.80779 & 2 & 1.40389 & 1.97268 \\\hline \text { Error } & 8.54000 & & 0.711667 & \\\hline \text { Total } & 22.8894 & & & \\\hline\end{array}$$ How many pressure levels were observed?

• A)4
• B)3
• C)2
• D)1

---

Definitions:

Falls Asleep

The transition from wakefulness into sleep, a natural periodic state of rest for the mind and body.

Jeopardizing

Putting something or someone in a situation where there is a danger of loss, harm, or failure.

Sleep-Wake Disorder

A medical disorder of the sleep patterns of a person or animal, which may include difficulties in falling or staying asleep, sleepwalking, or excessive daytime sleepiness.

Dyssomnia

Sleep disorders that make it difficult to fall asleep, stay asleep, or cause one to sleep too much, affecting the quantity and quality of sleep.