Hoaglin, Mosteller, and Tukey (1983) presented data on blood levels of beta-endorphin as a function of stress. They took beta-endorphin levels for 19 patients 12 hours before surgery and again 10 minutes before surgery.  The data are presented below, in fmol/ml Based on these date, what effect does icreased stressed have on endorphin levels. Solve by hand or SPSS.   Participant                   12 hours before           10 minutes before 1                                  10                                6.5 2                                  6.5                               14.0 3                                  8.0                               13.5 4                                  12                                18 5                                  5.0                               14.5 6                                  11.5                             9.0 7                                  5.0                               18.0 8                                  3.5…

You want to determine if diet impacts body weight. You recruit 60 subjects, assigning 20 each to either one of two dietary interventions or to maintain their normal diet. You measure body weight before and after the intervention and calculate the change in body weight (post minus pre weights). Shapiro-Wilk tests show the following: Diet 1 p=0.432, Diet 2 p=0.101, Normal Diet p=0.325. To determine the diet effect on the calculated change in body weight, you would use a Assume all other assumptions are met for a parametric test. Friedman's test One-way repeated measures ANOVA Kruskal-Wallis ANOVA One-way ANOVA

You want to find out whether caffeine mitigates the effect of alcohol on reaction time. To study this, you administer to your subjects a drink that is equivalent to three 12-ounce beers, followed by the equivalent of two cups of coffee. Then your subjects complete a simulated driving task in which they must follow a fixed speed limit while driving on a straight road. Wind periodically and randomly pushes the simulated vehicle right, left, or not at all. Speed is measured in miles per hour above or below the 60-mph speed limit, with 1 mph being the smallest unit on the scale. Suppose the first subject scores 5 mph. Determine the real limits of 5.   1)The lower real limit is:     2)The upper real limit is:     When measuring weight on a scale that is accurate to the nearest 0.1 pound, what are the real limits for the weight of 120 pounds? a)119.75–120.25   b)120–121   c)119.95–120.05     When measuring weight on a scale that is accurate to the nearest…