You Are Interested in Determining If the Average Amount of Time

question 34

Multiple Choice

You are interested in determining if the average amount of time (in hours) that students spend on the Internet per day is greater than 2 hours.The data below are from a random sample of 11 students. What is the value of the sample mean after removing the second observation (value = 100) ?

• A).44
• B)0
• C)18.01
• D)2.55

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Definitions:

Free-Living Bacterium

A free-living bacterium is one that exists independently in the environment, not requiring a host organism for survival.

Pseudogenes

Segments of DNA that are similar to functional genes but are non-functional due to mutations, representing evolutionary remnants.

Mobile Elements

Sequences of DNA that can move or copy themselves to new positions within the genome of a single cell.

Evolution Rate

The speed at which evolutionary changes occur within a species or across species, influenced by various environmental and genetic factors.