37. A researcher wanted to find out , "what doctors opinion about the health care system in the United States was". In order to do this she got a list of every hospital in America and she choose 10 hospitals at random and went to each of these hospitals and asked every doctor at that hospital their opinion of health care in the United States. This type of sample is called a A. Simple random sample B. Systematic sample C. Convenience Sample D. Cluster sample. 38. A sample of data is taken to discover the number of hours a person spent doing house cleaning. In the first sample they asked 100 people and then later they took a larger second sample of 600 people. Answer True or False to each of the following statements. (a) The second sample of 600 will probably have a mean that is more likely to be closer to the populations mean than the first samples mean. Answer True or False. (b) The 90% confidence interval of the first sample is larger than the he 90% confidence interval for the second sample. Answer True or False. (c) If you increase the confidence level from 90% to 99% confidence level the range of the confidence interval will become larger. Answer True or False. (d) The Margin of Error E will be larger in sample 1 than in sample 2? Answer True or False. (e) If you make the sample size 1,000,000 you will be able to predict the sample mean exactly. Answer True or False