Problem based on magnitude of the magnetic field
When an electron circles in a uniform circular motion, what would happen if we increased the magnitude of the magnetic field? A) The radius would not change. B) The radius would increase. C) The radius would decrease.
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B. Case II - Use t statistic, assuming variances are unknown but equal C. Case III -Use t statistic, assuming variances unknown and unequal D. Case IV - Use paired t test
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Question: What do we call the degree to which an assessment measures the hypothetical behavior that it claims to measure?