In a Completely Randomized Experimental Design Involving Five Treatments, 13

question 72

Multiple Choice

In a completely randomized experimental design involving five treatments, 13 observations were recorded for each of the five treatments (a total of 65 observations) . Also, the design provided the following information. ​
SSTR = 300 (Sum of Squares Due to Treatments)
SST = 800 (Total Sum of Squares)
​
If, at a 5% level of significance, we want to determine whether or not the means of the five populations are equal, the critical value of F is

• A) 2.53.
• B) 19.48.
• C) 4.98.
• D) 5.69.

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Definitions:

Enantiomers

Two isomeric chemical compounds that are mirror images.

Carotenoids

A group of yellow to orange plant pigments synthesized from isoprene subunits; include carotenes and xanthophylls.

Vitamin A

An essential fat-soluble vitamin important for vision, growth, cell division, reproduction, and immunity.

Carotenoid

Pigments found in plants and some microorganisms, responsible for vibrant yellow, red, and orange colors and playing a role in photosynthesis.