When the assumption of a normal curve is seriously violated, the ordinary t test
A) resembles an analysis of variance.
B) is conducted using t instead of t.
C) gives an incorrect result.
D) is robust.
Question 2
When conducting a statistical test, a single outlier can
A) make the test more robust to violations of the assumption of normality.
B) reduce the sample's variance, making significant results easier to achieve.
C) lead to a significant result when the other members of the sample considered without the outlier would not lead to a significant result.
D) improve the reliability of the statistical procedure.
Asthma. (a) A normal bronchiole. (b) An asthmatic bronchiole. During an asthma “attack,” the bronchi
Normal mammogram.
Titration curve for the tetrapeptide Glu-Gly-Ala-Lys
The Turing Test
Mutagenicity of aflatoxin B1 determined by the Ames test
Effects of acidosis and alkalosis on the oxyhemoglobin dissociation curve