1. In a study, the sample is chosen by pulling 20 names from a bagWhat is the sampling method? a. Simple Random b. Systematic c. Stratified d. Cluster e. Convenience 2. Determine whether the following is an example of a sampling error or a non sampling error. A researcher studied brother-sister pairs to see if there is a difference in IQ scores. Although the researcher made no mistakes in collecting the data, the findings showed that there was a difference when in reality there is no difference in IQ based on gender. a. Sampling Error b. Non Sampling Error 3. In a study, the data you collect is weight (in lbs). What is the level of measurement? * Nominal * Ordinal * Interval * Ratio 4. Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the z-score of a man who is 63.2 inches tall. (to 4 decimal places)