The following questions refer to the sketch of the H-R diagram below.Please choose the best answer in each case,i.e. ,choice (a)refers to the entire main sequence,while (c)and (d)refer to only small parts of the main sequence.If choice (c)or (d)offers a better answer to a particular question than (a),use the best choice.You may use the same choice more than once.
-Which group represents the most common type of stars?
Definitions:
Independent Variable
In an experiment, the variable that is manipulated or changed by the researcher to observe its effects on the dependent variable.
Manipulates
The action of skillfully handling, controlling, or using something or someone for one's own advantage.
Experimenter Effect
Tendency of the experimenter’s expectations for a study to unintentionally influence the results of the study.
Group 1 Rats
A categorization used in experimental research for a group of rats designated for a specific condition or treatment.
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