PH-3130: Data Analysis Homework #6 1. Is the following an example of Estimator Bias or Sampling Variability? Why? a. Clinic A is a weight loss center that specializes in morbidly obese clients. Every client is weighed at the beginning of the program. Due to an error in calibration, their scale adds 2 lbs to everyone's initial weight. b. A researcher wants to conduct an intervention in weight loss using samples from three dierent clinics across the country. The average BMI for Clinic A is 39.5, the average BM] for Clinic B is 42.0, and the average BMI for Clinic C is 41.25. 2. In a normal distribution, what percentage of scores lie between the Mean 8.: Upper CI '5' Hint, remember the distribution is completely symmetrical, half of one side equals the other half... 3. Compute 95% Condence Intervals for the following problem. a. 10 participants join a running group and together they run an average of 4.00 miles an hour (a = 4.74). What is the 95% upper and lower CI's for this data (calculate to 2\"Ei decimal places}? b. Plot the Mean and the 95% Cl's on the following normal distribution aIJd label the points in Miles