Ten Functionally Illiterate Adults Were Given an Experimental One-Week Crash

question 68

Essay

Ten functionally illiterate adults were given an experimental one-week crash course in reading. Each of the 10 was given a reading test prior to the course and another test after the course. The results are shown below. $$\begin{array} { | l | c | c | c | c | c | c | c | c | c | c | } \hline \text { Adult } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\\hline \text { Score after course } & 48 & 42 & 43 & 34 & 50 & 30 & 43 & 38 & 41 & 3 \\\hline \text { Score before course } & 31 & 34 & 18 & 30 & 44 & 28 & 34 & 33 & 27 & 32 \\\hline\end{array}$$ a. Estimate the mean improvement with 95% confidence.
b. Briefly describe what the interval estimate in part a. tells you.

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Definitions:

Auditory Canal

A tubular structure of the outer ear that conducts sound waves from the external environment to the tympanic membrane (eardrum).

Olfaction

The sense of smell, a chemical sensing system that allows the detection of volatile substances in the environment.

Gustation

The sense of taste, which is one of the five sensory systems and is initiated by flavor compounds stimulating the taste buds on the tongue.

Chemical Senses

Sense modalities including taste and smell, which involve the detection of chemicals in the environment and play a critical role in the experiences of flavor and scent.