Consider a new drug that is being studied to alter red blood cell (RBC) counts in individuals. The mean number of RBC in normal individuals is 5 million cells per microliter (cells/mcL). A trial study was performed in which some volunteers took the drug and had their RBC numbers counted. The data is: 5026000 5088000 5102000 5045000 5101000 4759000 Q10. What is the sample standard deviation? Q11. What is the sample standard error? Conduct a two-tailed t-test of this data. 5178000 4999000 5061000 5097000 4997000 5195000 5023000 5075000 5192000 Q12. What is the absolute value of the t calculated value you obtain? Q13. What is tcrit for significance at the p<0.05 level? 5077000 5061000 4946000 S= =104628.36 =2339536136 SE= 4985000 4865000 tcalc = tcrit = ? 1.729

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