In Testing the Difference Between the Means of Two Normal

question 143

Multiple Choice

In testing the difference between the means of two normal populations using two independent samples when the population variances are unequal,the sampling distribution of the resulting statistic is:

• A)normal.
• B)Student-t.
• C)approximately normal.
• D)approximately Student-t.

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Definitions:

Carbon Dioxide

A transparent, scentless gas that results from the combustion of carbon and organic materials and through the process of breathing. It exists naturally in the atmosphere and is taken in by plants during the process of photosynthesis.

Lysosomes

Membrane-bound organelles containing digestive enzymes, involved in the breakdown of cellular waste material and foreign substances.

RNA

Ribonucleic acid, a nucleic acid that plays crucial roles in coding, decoding, regulation, and expression of genes.

Enzymatic RNAs

RNA molecules that are capable of catalyzing chemical reactions, playing roles similar to enzymes.