Identify the Test Statistic That Should Be Used for Testing

question 55

Essay

Identify the test statistic that should be used for testing the following given claims. a. The mean of the differences between IQ scores of brothers and IQ scores of their sisters is
equal to 0.
b. The proportion of offices with windows is equal to the proportion of offices without
windows.
c. The variation among temperature inside buildings in winter is equal to the variation in the
temperature inside building in summer.
d. The mean age of female math professors is equal to the mean age of male math professors.

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Definitions:

Standard Error

A measure of the variability or dispersion of a sample statistic from the population parameter.

Confidence Interval

A set of values, obtained from sample data, that probably includes the value of an unspecified population parameter, given a certain confidence level.

Point Estimate

A solitary figure or statistical measure employed to approximate the worth of a population parameter.

Confidence Interval

A portfolio of values, extracted from sampling efforts, believed to encapsulate the undiscovered value of a population attribute.