Asked by Koia
                A researcher conducted a study of the access speed of 40 hard drives and concluded that his
maximum error of estimate was 15. If he were to conduct a second study to reduce the
maximum error of estimate to 5, about how many hard drives should he include in his new
sample?
            
        maximum error of estimate was 15. If he were to conduct a second study to reduce the
maximum error of estimate to 5, about how many hard drives should he include in his new
sample?
Answers
                    Answered by
            PsyDAG
            
    SEm = SD/√n
15 = SD/√40 (Calculate SD and insert below.)
5 = SD/√?
    
15 = SD/√40 (Calculate SD and insert below.)
5 = SD/√?
                    Answered by
            Anonymous
            
    A researcher conducted a study of the access speed of 35 hard drives and concluded that his maximum error of estimate was 35. If he were to conduct a second study to reduce the maximum error of estimate to 7, about how many hard drives should he include in his new sample?
    
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