A patient reports shoulder pain following laparoscopic cholecystectomy. Which explanation should the nurse provide?

A patient newly started on tamsulosin for BPH stands up and becomes dizzy. What is the priority action?

  When calculating the mean, what would happen to the value of the mean if you increased the number of data points in the sample (the denominator), but the summed data point value (the numerator) stayed the same?  

  Within the normal curve, a z score that lands in the left tail would be considered  

  A pharmaceutical company is testing a new drug for treating depression. They use a strict p value threshold (p < .01 instead of p < .05). How does this affect Type I and Type II errors?  

  A psychologist is testing whether sleep deprivation affects memory recall. If they hypothesize that sleep deprivation either increases or decreases recall ability, what type of test should they use?  

  What is the main difference between a bar graph and histogram?  

  A researcher finds a nonsignificant result (p = .07) but with a moderate effect size. What should be considered?  

  Which of the following statements about p values is correct?  

  A 95% confidence interval for the effect of therapy on anxiety is (–0.1, 0.6). What does this suggest?