Help me with some study questions guys; 1. A test for selecting intellectually gifted children has a population mean of 56 and a standard deviation of 8. You measure 64 children and obtain a sample mean of 57.28. In what percent of the top scores is this sample mean? a. Top 3% of means b. Top 5% c. Top 8% d. Top 10 % e. None of the above 2. How many of the raw scores in a distribution made up of 200 raw scores will fall between the 40th and 42nd percentile? a. 2 b. 5 c. 15 d. 4 e. None of the above. 3. A study of therapy effectiveness on substance abuse had the experimental group undergo therapy with a general psychodynamic approach administered by Dr. Carmen, while the other group participated in therapy with a general CBT approach administered by Dr. Johns. What is the confound in this study? a. The type of therapy b. The therapy effectiveness of substance abuse c. The experimental group d. The doctor administering the therapy. e. There is no confound in this study 4. 15 students take a psychology quiz, and the mean score is calculated as 8 and the standard deviation is 1.6. The sum of raw scores must be; a. 90 b. 60 c. 110 d. 120 e. Not enough information provided
