4. Sampling plans For each of the following examples, identify the sampling plan. Sampling Method Simple Stratified Random Random Cluster Sampling Sampling Sampling Statistical Study In a study of bank loans to small businesses, a random sample of banks is selected. For the banks in the O sample, data are collected on every small business loan approved during a particular month. The National Road Freight Survey, conducted by the European Union, divides commercial vehicles Into three groups based on their weights: 2-5 tons, 5-10 tons, and over 10 tons. A simple random sample is O O taken from each group, and data are collected on each vehicle in the sample. The sales representatives employed by a large pharmaceutical firm are numbered sequentially, Minitab is used to select 30 random numbers from the numbers assigned to the reps. A sample of reps is obtained O O O by using the reps whose numbers correspond to the 30 randomly selected numbers. Grade It Now Save & Continue Continue without saving