Given: Null Hypothesis Is That the Population Mean Is 16

question 119

Multiple Choice

Given: null hypothesis is that the population mean is 16.9 against the alternative hypothesis that the population mean is not equal to 16.9. A random sample of 25 items results in a sample mean of 17.8 and the sample standard deviation is 2.4. It can be assumed that the population is normally distributed. Determine the observed "t" value.

• A) t = 1.88
• B) t = 1.83
• C) t = 1.75
• D) t = 2.21

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Definitions:

Excess Water

A surplus amount of water beyond what is needed or used, often leading to conditions like waterlogging in plants or overhydration in humans.

Fresh Water

Water that is not salty, often found in rivers, lakes, and streams, and is essential for many forms of terrestrial life.

Distinct Zones

Separate or clearly different areas within a particular space or environment.

Northwestern Coast

A geographical term referring to the coastal areas located in the northwestern part of a continent or country, often characterized by specific climatic and ecological features.