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

question 163

Short Answer

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, in testing the null hypothesis that the mean downhill coasting speeds of the 4 brands of bicycles are equal, the value of the test statistic is ________.

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Definitions:

Disorders Of Arousal

Sleep disorders that involve recurrent episodes of incomplete awakening from sleep that seem to mix elements of wakefulness and NREM sleep.

Sleep Terrors

A sleep disorder causing feelings of panic or dread typically occurring during the first hours of stage 3–4 non-rapid eye movement (NREM) sleep and lasting for 1 to 10 minutes.

Obstructive Sleep Apnea/Hypopnea Syndrome

A sleep disorder characterized by repeated episodes of partial or complete blockage of the airway during sleep.

Upper-Airway Blockage

A medical emergency where the airways are obstructed, leading to reduced or complete stoppage of airflow.