In negative punishment, what is typically removed from the environment?

If two samples are drawn randomly from the same population and sample A has n=650 and sample B has n=400, which sample will have a larger standard error of the mean?

In the figure shown here, what is b?

For the following, which of the following statistical test would you use? You would like to compare the heights of 3 different groups of 10 year old children (total n=300).

If we find that an ANOVA between 4 groups provides an F=7.2, P=0.075, how many post hoc tests do we need to perform?

A two-sided test of H0: μ=0, α=0.05 (two sided), yields a p-value of 0.019.   Will the 95% confidence interval for μ include 0?

A correlation coefficient of 0.85 means

If you use t-test to compare 4 group means, Type 1 error rate decreases when you conduct multiple t-tests. 

If you would like to run a Chi-sq analysis of the following two variables:  Body Mass Index (low, healthy, overweight, obese) and Systolic Blood Pressure Category (normal, borderline high, high), how many degrees of freedom would there be?

The nurse is reviewing laboratory results of a patient who had surgery 2 days ago. The nurse notes that the C-reactive protein is elevated. What potential problem does this finding indicate?