TABLE 10-4 Two Samples Each of Size 25 Are Taken from Independent

question 149

Short Answer

TABLE 10-4
Two samples each of size 25 are taken from independent populations assumed to be normally distributed with equal variances. The first sample has a mean of 35.5 and standard deviation of 3.0 while the second sample has a mean of 33.0 and standard deviation of 4.0.
-Referring to Table 10-4, the critical values for a two-tail test of the null hypothesis of no difference in the population means at the α = 0.05 level of significance are ________.

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Definitions:

Stethoscope

An instrument used in auscultation to convey to the ear the sounds produced by the body.

Spirometer

A device used to measure the amount of air inhaled and exhaled from the lungs, commonly used in pulmonary function tests.

Tuning Fork

A metal instrument that, when struck, produces a sound of a specific pitch, used in medical exams to assess hearing and vibration sensation.

Ophthalmoscope

A medical device used by healthcare professionals to examine the interior of the eye.