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Thirty students at Eastside High School took the SAT on the same Saturday.Their raw scores are given next. Consider a frequency distribution of the data that groups the data in classes of 1400 up to 1600,1600 up to 1800,1800 up to 2000,and so on.What percent of students scored less than 2200?
Causal Inferences
Conclusions about cause-and-effect relationships, often deduced from the manipulation of variables in experimental designs.
Internal Validity
The extent to which the results of a study can be attributed to the variables under investigation rather than to other extraneous factors.
Quantitative Designs
Research strategies that focus on numerical data, statistical analysis, and the objective quantification of variables.
Qualitative Designs
Are research strategies focusing on descriptive, non-numerical data to understand concepts, thoughts, or experiences.
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