The Following Two Statements Refer to Comparing a Sample Average

question 24

Multiple Choice

The following two statements refer to comparing a sample average to a population average.
I.You want to compare a sample average to a population average.The test you
Select depends upon the size of the sample population.
II.You are comparing a sample average to a population average.A Z-score of 2.08
Is obtained.This means that the observed difference between the two averages is real
And meaningful and not due to chance.
Which,if any,of these statements is (are) true?

• A)I only
• B)II only
• C)I and II are both true
• D)Neither I nor II are true

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Definitions:

Chi-Square Distribution

A probability distribution used in statistical significance testing, especially for categorical data and goodness-of-fit tests.

Population Variance

A measure of the dispersion or variability of a population's values, calculated as the average of the squared differences from the population mean.

False Ribs

The ribs that are not directly attached to the sternum but are connected to the true ribs above them, typically ribs 8 through 10.

Human Skeleton

The internal framework of the body, composed of 206 bones in adults, which supports and protects the body's organs.