I a Coefficient of Correlation Close to 0 (Say, 0

question 59

Multiple Choice

i. A coefficient of correlation close to 0 (say, 0.08) shows that the relationship between two variables is quite weak. ii. A coefficient of correlation of -0.96 indicates a very weak negative correlation.
iii. The coefficient of determination can only be positive.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Confidence Interval

An expanse of values, culled from sample statistics, believed to hold the value of a cryptic population parameter.

Population Parameter

A numerical value that summarizes a characteristic of an entire population, such as its mean or standard deviation.

Observations

Observations are the act of watching or noticing something or data collected during such activities, often used as the basis for scientific research or studies.

Population Standard Deviation

A measure of the dispersion or spread of all values in an entire population, indicating how much individual data points deviate from the mean of the population.