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The accuracy of a sample may be expressed as a plus-or-minus percentage value.
Q5: Which of the following sometimes uses direct
Q14: If a laptop PC is connected to
Q14: The four nonprobability sampling methods are simple
Q23: By regulation,cellular systems must give almost the
Q36: A codec _.<br>A)encodes voice signals into analog
Q39: Which of the following can spread more
Q41: A CATI is a form of person-administered
Q47: Probability samples cannot also be random samples.
Q61: In an IP header,the first bit in
Q62: TCP/IP is dominant at the _ layer.<br>A)physical<br>B)internet<br>C)both