I an Outlier Is a Value in a Data Set

question 148

Multiple Choice

i. An outlier is a value in a data set that is inconsistent with the rest of the data.
ii. The interquartile range is the difference between the values of the first and third quartile,
Indicating the range of the middle fifty percent of the observations.
iii. A percentile divides a distribution into one hundred equal parts.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and, (ii) are correct statements but not (iii).
• C) (i) and, (iii) are correct statements but not (ii).
• D) (i) is a correct statement, but not (ii) or (iii).
• E) (i), (ii) and (iii) are all false statements.

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Definitions:

Net Primary Productivity

The rate at which plants and other photosynthetic organisms produce organic compounds in an ecosystem minus the rate at which they use some of these compounds for cellular respiration.

Biomass

Organic material derived from living or recently living organisms, used as a source of energy or in various industrial processes.

Food Web

A network of interlinked food chains in an ecosystem, showing how each organism is food for the next level.

Complex Feeding

Refers to the intricate interactions and food webs in ecosystems, involving multiple levels of producers, consumers, and decomposers.