A Sample Is Used to Obtain a 95% Confidence Interval

question 57

True/False

A sample is used to obtain a 95% confidence interval for the mean of a population.The confidence interval goes from 15 to 19.If the same sample had been used to test the null hypothesis that the mean of the population is equal to 18 versus the alternative hypothesis that the mean of the population differs from 18,the null hypothesis could be rejected at a level of significance of 0.05.

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Definitions:

Beaker

A simple cylindrical container with a flat bottom, used in laboratories for mixing, stirring, and heating chemicals.

Hydrophobic

Hydrophobic refers to the property of being water-repellent or not mixable with water, often relating to molecules or substances that do not dissolve in water.

Hydrophilic

Denoting the property of attracting or associating with water molecules, possessed by polar molecules and ions; the opposite of hydrophobic.

Branching Polymer

A type of polymer where the molecule structure branches off from the main chain, resulting in a three-dimensional network.