If We Are Interested in Testing Whether the Mean of Population

question 77

Multiple Choice

If we are interested in testing whether the mean of population 1 is significantly smaller than the mean of population 2, the

• A)null hypothesis should state  ₁   ₂  0
• B)null hypothesis should state  ₁   ₂  0
• C)alternative hypothesis should state  ₁   ₂  0
• D)alternative hypothesis should state  ₁   ₂  0

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Definitions:

Pyrimidines

One of the two classes of nitrogenous bases found in nucleic acids, including cytosine, thymine (in DNA), and uracil (in RNA).

Bacteriophages

Viruses that infect and replicate within bacteria.

Alfred Hershey

An American bacteriologist and geneticist, awarded the Nobel Prize in Physiology or Medicine in 1969 for his work on the genetics of viruses, including the famous Hershey-Chase experiment.

Martha Chase

An American geneticist who, along with Alfred Hershey, performed experiments confirming that DNA is the genetic material of life.