Collecting data from telephone survey

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A person decides to take a telephone survey of 40 families in the 721-exchange area (sometimes referred to as prefix). You want an excellent representation of all subscribers in the exchange area. Explain how you will carry out this study.

Reference no: EM1394468

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Collecting data from telephone survey : A person decides to take a telephone survey of 40 families in the 721-exchange area (sometimes referred to as prefix). You want an excellent representation of all subscribers in the exchange area.
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