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# Applied Statistics MCQ

### Discordant Pairs are cases that have a ________ on X paired with a low score on Y or a low score on X paired with a high score on Y are discordant.

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### An assessment of consistency or agreement for two or more raters, coders, or observers is known as _______ .

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### Covariance IS The unstandardized equivalent of correlation. Covariance(X, Y) = Σ(X – XM) × (Y – YM)/df. Then, rXY = covariance(X, Y)/(SDX × SDY).

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### Data points that represent group means instead of scores for individual cases is known as _______ .

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### Attenuation (of Correlation) Due to Unreliability is a Correlations usually become smaller when one or both variables have poor measurement reliability.

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### A correlation between X1 and Y is said to be spurious if the correlation between X1 and Y drops to 0 when you control for an appropriate X2 variable.

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### The variance in dependent variable scores that cannot be predicted from other variables in the analysis is known as ________ .

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### Which of the correct statements about Coefficient of Determination ?

Correct Answer: The variance in dependent variable scores that cannot be predicted from other variables in the analysis.

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### Rho is used to ________ the true value of the correlation between variables in the population .

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### Concordant Pairs refers to scores for participants who have either low scores or high scores on both X and Y.

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### A combination of X and Y scores that is not necessarily extreme on either X or Y is known as_______ .

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