The method of collecting data that involves response variables is the method, and the method in which conclusions are drawn by comparing the data collected from two groups without regulating is the method.

1. Experimental 2. Observational

Step-by-step explanation:

The method of collecting data that involves response variables is the  experimental method, and the method in which conclusions are drawn by comparing the data collected from two groups without regulating is the  observational method.

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The method of collecting data that involves response variables is the experimental method.

The experimental method is an approach to research, where the researcher interprets one or more dependent variables and simultaneously controls any kind of changes in other variables.

The method in which conclusions are drawn by comparing the data collected from two groups without regulating is the observational method.

Here, the behavioral patterns are noted from different groups and then compared with each other to get to a conclusion.

answer: the equation matches the regression

step-by-step explanation:

the answer is b.)

< 1=< 2