Q1. Test for a significant difference in the variances of the initial white blood cell count between patinets who did and patients who did not receive a bcterial culture. Was there a significant difference? Also state the null and alternative hypotheses, and show the test statistics.
Q2. What is the appropriate test procedure to test for significant differences in mean white blood cell count between people who do anb people who do not receive a bacterial cultute? What is the appropriate test procedure? Explain your answer.
Q3. compute a 95% Cl for the true difference in mean white blood cell count between the two groups. What are the lower and upper levels of the 95% CI?
Q4. Test for whether the standard deviation of CO is significantly different in the two types of working environments. Are the two SD different in the two types of working environment? Please state the null and alternative hypotheses, and show the test statistics.
Q5. Provide a 95% Cl for the mean pod weight in each group. calculate the lower and upper levels of the 95% CI of inoculated (I) plants: ______________,____________?; and the lower and upper levels of the 95% CI of uninoculated (U) plants: ______________, _______________
Q6. What test can be used to compare the mean pod weight between the two groups. what is the appropriate statistical procedure and why?
Attachment:- wk1hw_hospital.xls