Author: Anonymous

  Shaan is planning on going to a nice dinner with some friends to celebrate a recent accomplishment. He wants to know how much to expect to spend, so he tells his friends what he spends on average when going out to dinner alone (M: 20, SD: 5). Based on that information, they tell him that this dinner will probably have a z score of 1.5. What does that tell him about how much he is going to spend on dinner?  

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

  The general formula for a confidence interval for a population mean is  

  What makes a research design quasi-experimental?  

  Which of the following is an example of sampling bias rather than sampling error?  

  A z score of -1.5 indicates the value is  

  In a bar graph, bars are used to represent the relationship between different variables, usually in frequency of responses on certain variables. What is usually represented on the X-axis of a bar graph?  

  In the violin plot, the thicker part of the plot corresponds to which of the following?  

  A pharmaceutical company tests whether a new drug is more effective than an existing one. They obtain a p value of .20. What does this indicate?  

  What would the influence be on the mean if there was an extremely large outlier of an extremely large score?