Provided That at Least One of the Sample Sizes M $\mu _ { 1 } - \mu _ { 2} ,$

question 15

Essay

Provided that at least one of the sample sizes m and n of two independent samples X and Y is small, and that the corresponding populations are both normally distributed with unknown values of the population variances, then a confidence interval for the difference between the two population means, $\mu _ { 1 } - \mu _ { 2} ,$ with a confidence level of $100 ( 1 - \alpha ) \%$ is __________.

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Definitions:

Marginal Benefit

The supplementary enjoyment or value derived by a person upon consuming an extra unit of a particular good or service.

Marginal Cost

The cost of producing one additional unit of a good or service.

Marginal Benefit

Marginal benefit is the additional satisfaction or utility that a person receives from consuming an additional unit of a good or service.

Sushi Bar

A restaurant specializing in sushi, offering a variety of raw fish and seafood dishes, often served on a conveyer belt or prepared to order.