An internet provider asks a consultant to contact 130 residentialclients and measure their level of satisfaction with their internetservice. The consultant obtains analphabetized list of client names andstarting with the letter A, uses a random number generator to pick five namesfrom this group. The consultant uses thesame selection method for each of the other 25 letters and combines the 5 × 26= 130 names into a group of clients to be surveyed. Which of the following statements is true?A) The selection methodmakes use of chance. B) The selection methodresults in a single-stage cluster sample. C) Each client has an equalprobability of being included in the survey. D) The selection methodintroduces bias through sampling error. E) For a sample this size, it is best to let theresearcher hand pick a representative set of clients
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