What is standard deviation if sample size were increased
A poll of 93 students found that 29% were in favor of raising tution to build a new math building. The standard deviation of this poll is 4%. What would be the standard deviation if the sample size were increased from 93 to 187?
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A medical researcher is interested in whether patients' left arms or right arms are longer. If 8 patients participate in this study (so that n left arms and n left arms are measured), how many degrees of freedom should the researcher use in her t-
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The standard deviation of this poll is 4%. What would be the standard deviation if the sample size were increased from 93 to 187?
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