Within a Lab, a Scientist Has Two Samples-The First Is

question 23

Multiple Choice

Within a lab, a scientist has two samples-the first is a prion sample, while the second is a viroid sample. But those pesky labels have come off of the flasks! She wants to run a simple analysis to determine which one is which. What type of molecule would she look for to determine which one is which?

• A) lipids
• B) DNA
• C) protein
• D) polysaccharides

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Definitions:

Normal Distribution

A bell-shaped curve that describes the spread of a characteristic throughout a population; it is symmetric and depicts that data near the mean are more frequent in occurrence.

Null Hypothesis

The hypothesis that there is no significant difference or effect, often denoted H0, in statistical hypothesis testing.

Mean MPG

The average miles per gallon achieved by a vehicle, calculated by summing the miles per gallon for all vehicles in the sample and dividing by the number of vehicles.

Test Statistic

A measure calculated from sample data used to determine the extent to which the null hypothesis should be rejected or not.