TABLE 11-3 As Part of an Evaluation Program, a Sporting Goods Retailer

question 54

True/False

TABLE 11-3
As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of 4 brands of bicycles. She took 3 of each brand and determined their maximum downhill speeds. The results are presented in miles per hour in the table below.
Trial Barth Tornado Reiser Shaw
1 43 37 41 43
2 46 38 45 45
3 43 39 42 46
-Referring to Table 11-3, the test is valid only if the population of speeds is normally distributed.

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Definitions:

"Minus" Lenses

Eyeglass lenses designed to correct myopia (nearsightedness) by diverging light rays before they reach the eye.

Conjunctiva

A thin, transparent membrane that covers the white part of the eyeball and the inner surfaces of the eyelids.

Choroid

A layer of the eye between the retina and the sclera, rich in blood vessels, that provides oxygen and nutrients to the outer parts of the retina.

Sclera

The white outer layer of the eyeball, providing protection and giving the eye its shape.