Folacin Is the Only B Vitamin Present in Any Significant

question 7

Multiple Choice

Folacin is the only B vitamin present in any significant amount in tea, and recent advances in assay methods have made accurate determination of folacin content feasible. Consider the accompanying data on folacin content for randomly selected specimens of the four leading brands of green tea. Brand Observations $\begin{array} { l | l l l l l l l } \hline 1 & 8.0 & 6.3 & 6.7 & 8.7 & 9.0 & 10.2 & 9.7 \\2 & 5.8 & 7.6 & 9.9 & 6.2 & 8.5 & & \\3 & 6.9 & 7.6 & 5.1 & 7.5 & 5.4 & 6.2 & \\4 & 6.5 & 7.2 & 8.0 & 4.6 & 5.1 & 4.1 & \\\hline\end{array}$ Does this data suggest that true average folacin content is the same for all brands?

• A) Carry out a test using \[\alpha = .05\]
• Via the P-value method.
• B) Perform a multiple comparisons analysis to identify significant differences among brands.

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Definitions:

Significant Event

An occurrence of notable importance, often changing the course of history or impacting a large area or population.

Type of Isolation

Various forms of separation in biology that prevent species from mating and producing viable offspring, critical in the process of speciation.

Arctic Fox

A small mammal adapted to living in cold climates, known for its thick fur and opportunistic feeding habits.

Grey Fox

A small carnivorous mammal native to North and Central America, known for its gray fur and ability to climb trees.