The Z-Scores for X and Y Variables Are Exactly the Same

question 16

Multiple Choice

The z-scores for X and Y variables are exactly the same except they have opposite signs.The coefficient of determination is

• A) 0.00.
• B) -1.00.
• C) +1.00.
• D) not possible to compute with this information.

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Definitions:

Sampling Distribution

The likelihood distribution of a statistic derived from a random sample.

Biased Estimator

An estimator is considered biased if it consistently overestimates or underestimates the parameter it is estimating.

Confidence Level

The probability that a confidence interval contains the true population parameter, expressing the degree of certainty in estimation.

Sample Statistic

A numerical measure that describes an aspect of a sample of the population data.