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When each group's population is divided by this divisor, a standard:

a. Quotient
b. Mean
c. Deviation
d. Variance

User Pkolodziej
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1 Answer

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Final answer:

The correct option is A). The term 'quotient' refers to the result of division, which seems to be the initial focus. However, in the context of hypothesis testing in statistics, we deal with terms like an independent group means and population standard deviations, where known and unknown standard deviations dictate the choice of formula and distribution for comparing group means.

Step-by-step explanation:

When referring to dividing each group's population by a divisor to obtain a standard measure, the correct term is 'quotient'. However, the context provided relates to hypothesis testing and the comparison of group means, specifically with known and unknown population variances and standard deviations.

In such statistical analyses, terms like independent group means, population standard deviations, and variances are frequently encountered. Depending on whether the standard deviations or variances are known, different formulas and distributions are used. When population standard deviations are known, the distribution is normal and the known standard deviation is used in the formula. Conversely, if standard deviations are unknown, sample standard deviations are used, and the distribution could be a t-distribution.

In the context of comparing two population means with either known or unknown population standard deviations, such as assessing whether a liquid diet yields a higher mean weight loss than a powder diet, the hypothesis test would involve calculating the standard error of the difference in means and comparing it to a critical value from the appropriate distribution.

User Laurynas Biveinis
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