I the Statistical Technique Used to Test the Equality of Three

question 41

Multiple Choice

i. The statistical technique used to test the equality of three or more population means is called
Analysis of variance (ANOVA) .
ii. To employ ANOVA, the populations should have approximately equal standard deviations.
iii. To employ ANOVA, the populations being studied must be approximately normally distributed.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Rhizome

A horizontal underground stem that bears leaves and buds and often serves as a storage organ and a means of asexual reproduction (e.g., iris).

Horizontal

Refers to something that is arranged or lying flat, parallel to the plane of the horizon or perpendicular to the vertical.

Aboveground

Referring to the part of a plant or structure that is visible or exists above the surface of the soil or ground.

Endosperm

The nutritive tissue inside the seeds of most flowering plants, surrounding and nourishing the embryo.