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13 November, 21:42

Annie wants to estimate the average number of AP classes a student at her high school takes. She decides to randomly select 6 classes and use all the students in those 6 classes to estimate the average. What type of sampling did Annie use? Select the correct answer below:A. Cluster samplingB. Stratified samplingC. Convenience samplingD. Systematic sampling

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  1. 13 November, 22:31
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    Cluster sampling

    Step-by-step explanation:

    To find, which type of sampling used, we first know the definition of cluster sampling.

    Definition of cluster sampling:

    Cluster sampling is a type of sampling method in which the population is divided into already existing groups or clusters. Then a sample of the cluster is selected randomly from the population.

    In this problem, population is high school and sample of the cluster is 6 classes. So, Annie used Cluster sampling in this problem.
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Home » Mathematics » Annie wants to estimate the average number of AP classes a student at her high school takes. She decides to randomly select 6 classes and use all the students in those 6 classes to estimate the average.
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