Examlex
A controlled test of a hypothesis,in which the researcher manipulates one variable in order to discover its effect on another variable,is called:
Median
The middle value in a data set when the values are arranged in ascending or descending order.
Negative Correlation
A relationship between two variables where one variable increases as the other decreases.
Variable Increases
A situation in which the value of a variable becomes larger.
Relative Frequencies
The ratio of the number of times a particular value occurs to the total number of observations, used in statistical analysis.
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