We Are Interested in Knowing If the Following Frequency Distribution

question 63

Short Answer

We are interested in knowing if the following frequency distribution is normally distributed. The mean and standard deviation of the data is 600 and 160. If the distribution was normally distributed, what is expected frequency for the "400 up to 600" class?

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Definitions:

Nitrogen

A chemical element with symbol N and atomic number 7, essential for life, it makes up a major part of the earth's atmosphere and is a key component of all proteins.

Phosphorus

A chemical element (P) that is essential for the formation of DNA, RNA, and ATP, playing a critical role in energy storage and transfer within cells.

Nitrification

A microbial process by which ammonia is converted into nitrate, an important step in the nitrogen cycle.

Ammonium

A positively charged ion (NH4+) formed by the addition of a hydrogen ion to ammonia (NH3).