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MsChou Is Teaching Her Class About Scientific Reasoning

question 59

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Ms.Chou is teaching her class about scientific reasoning.Scientific reasoning involves formulating a hypothesis,designing experiments in which one factor varies while others are held constant,and deciding on the validity of the hypothesis based on the observable evidence.


Definitions:

Volunteers

Individuals who offer services or undertake tasks without expecting compensation or material gain, usually to benefit others or a community.

Sample Variance

A statistic that measures the dispersion of a sample set of data points around their sample mean.

Sample Standard Deviation

Sample Standard Deviation is a measure that quantifies the amount of variation or dispersion of a set of sample data values around the sample mean.

Ages

A quantitative variable representing the length of time that an individual or object has existed.

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