Which One of the Following Statements Is Correct

question 36

Multiple Choice

Which one of the following statements is correct?

• A) A pure substance may be separated by filtration or distillation into two or more components.
• B) A heterogeneous mixture is also known as a solution.
• C) A heterogeneous mixture is composed of two or more substances in the same phase.
• D) The composition is uniform throughout a homogeneous mixture.
• E) The combination of a liquid and a solid always results in a heterogeneous mixture.

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Definitions:

Difference in Means

A statistical measure that evaluates the difference between the average values of two groups or sets.

Bootstrap Confidence Interval

A method of estimating the confidence interval for a parameter by resampling with replacement from the original data and recalculating the statistic of interest multiple times.

Bias

A systematic error or deviation from the true value in data collection, analysis, interpretation, or review that can lead to incorrect conclusions.

Trimmed Mean

Trimmed Mean is a measure of central tendency calculated by removing a specified percentage of the smallest and largest values from a data set before calculating the mean of the remaining data.