A Sample Is Used to Obtain a 95% Confidence Interval

question 10

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 20 versus the alternative hypothesis that the mean of the population differs from 20,the null hypothesis could be rejected at a level of significance of 0.05.

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Definitions:

Leukocytes

White blood cells that are part of the body's immune system, helping to fight infection and other diseases.

Hematocrit

The proportion of blood volume that is occupied by red blood cells, a key indicator of blood oxygen-carrying capacity.

Percent Volume

A measure representing the concentration of a component in a mixture or solution as a percentage of the total volume.

Plasma

The liquid component of blood in which the blood cells are suspended, consisting mainly of water, proteins, electrolytes, and nutrients.