The other variables are set either at their mean values if they are continuous or at the reference (last) level if ... a response of p is given by It is possible for the roots of the equation for r to ...
3. Determine the critical value for a 95% level of confidence (p<0.05). The critical value for a 95% two-tailed test is ± 1.96. 4. Draw a normal curve, mark it with z values and ages, and shade the ...