In an Agricultural Experiment, the Effects of Two Fertilizers on the Production

question 5

Multiple Choice

In an agricultural experiment, the effects of two fertilizers on the production of oranges were measured. Fourteen randomly selected plots of land were treated with fertilizer A, and 10 randomly
Selected plots were treated with fertilizer B. The number of pounds of harvested fruit was measured
From each plot. Following are the results. Assume that the populations are approximately normal. Construct a 95% confidence interval for the
Difference between the mean yields for the two types of fertilizer.

• A) (20.3, 64.6)
• B) (16.4, 68.6)
• C) (14.0, 70.9)
• D) (19.0, 65.9)

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Definitions:

Adenine

A purine nucleobase vital for the structure of DNA and RNA, where it pairs with thymine in DNA and uracil in RNA.

Guanine

One of the four main nucleobases found in the nucleic acids DNA and RNA, characterized by a double-ring structure that pairs with cytosine.

Messenger RNA

A type of RNA that carries genetic information from DNA to the ribosome, where it specifies the amino acid sequence of the protein products of gene expression.

Ribosomal RNA

A molecular component of ribosomes, essential for protein synthesis in all living organisms, constituting the enzymatic and structural platform for the translation of mRNA into proteins.