Drag the bars to the chart. Not all bars will be used. Use five of the bars provided to correctly represent the casualties suffered by the major countries in World War I.

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Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Which statement best describes a typical difference that could be found between the “analysis” and “conclusion” sections of a lab report?