Examlex
A company pays one group of workers weekly and another group,randomly chosen,once a month.It compares the workers' effectiveness.What is the dependent variable in this experiment?
Positive Linear Relationship
A relationship between two variables where an increase in one variable is associated with an increase in the other variable, represented by a positive slope on a scatter plot.
Confidence Interval
A span of numerical estimates, calculated using sample data, which probably includes the value of an unspecified parameter within the population.
Regression Line
A line that best fits a set of data points in linear regression analysis, showing the general direction in which the data tend to go.
Prediction Interval
An estimate of the interval within which future observations will fall, with a certain probability, given what has already been observed.
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