The Data Below Are the Number of Absences and the Final

question 39

Multiple Choice

The data below are the number of absences and the final grades of 9 randomly selected students from a statistics class. Find the standard error of estimate, $\mathrm { s } _ { \mathrm { e } }$ given that ? = -2.75X + 96.14. $$\begin{array} { l | c | c | c | c | c | c | c | c | c | } \text { Number of absences, } \mathrm { x } & 0 & 3 & 6 & 4 & 9 & 2 & 15 & 8 & 5 \\\hline \text { Final grade, } \mathrm { y } & 98 & 86 & 80 & 82 & 71 & 92 & 55 & 76 & 82\end{array}$$

• A)1.799
• B)4.531
• C)3.876
• D)2.160

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Definitions:

Outer Ear

The outermost part of the ear, consisting of the pinna and the external auditory canal.

Middle Ear

The section of the ear between the eardrum and the oval window that amplifies sound waves through the ossicles to the inner ear.

Amplifies Sound Waves

Increases the magnitude or intensity of sound waves, making them louder or more pronounced.

Pitch

The perceived frequency of a sound, determining its highness or lowness, often measured in hertz (Hz).