A Researcher Determined the Size Sample Necessary to Estimate Two

question 4

Multiple Choice

A researcher determined the size sample necessary to estimate two population means Y and Z.The indicated sizes were 200 to estimate Y and 300 to estimate Z with the specified degrees of confidence and precision.The researcher decided therefore to use a sample of size 250.Assuming the estimates of the population standard deviation were correct

• A)the estimate of Y is more precise than desired while that for Z is less precise than desired.
• B)the estimate of Y is less precise than desired while that for Z is more precise than desired.
• C)Y is estimated with exactly the specified degree of precision while Z is estimated less precisely than desired.
• D)Z is estimated with exactly the specified degree of precision while Y is estimated less precisely than desired.
• E)Both Y and Z are estimated with the exact specified degree of precision.

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Definitions:

Indifference Curve

A graphical representation showing different combinations of goods among which a consumer is indifferent.

Equal Number

A condition or state where two or more quantities or values are the same in magnitude.

Indeterminate

A term used in various contexts to describe situations, outcomes, or mathematical expressions that cannot be definitively resolved or calculated.

Ice Cream Cone

A sweet, edible cone filled with ice cream, served as a dessert or snack.