Use this paragraph to answer Questions 1 and 2. A college student is studying the price of textbooks at her school. She knows that the mean price of all college textbooks in her state is $132.23 and their standard deviation is $34.84. She selects 10 textbooks from each of 22 randomly selected subjects from all the subjects taught at her school. For this sample of size 220, the mean is $123.21 and the standard deviation is $26.17. The sampling method used here is, O Cluster Convenience O Stratified O Systematic Random

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