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random digit dialing造句

"random digit dialing"是什么意思   

例句與造句

  1. An important consideration in random digit dialing surveys is bias introduced by non-responders.
  2. Similarly, households with more than one telephone line have a greater chance of being selected in a random digit dialing sample, and weights can adjust for this.
  3. MTM survey households are selected by Random Digit Dialing ( RDD ) and the respondent within each household is randomly selected based on the most recent birthday method.
  4. A computer uses random digit dialing to create phone numbers from a list of all telephone exchanges, which allows unlisted numbers to be called as well as listed numbers.
  5. Along with Joseph Waksberg, Mitofsky is credited with developing an efficient method of sampling telephone numbers using random digit dialing, which has since been widely adopted as a sampling method.
  6. It's difficult to find random digit dialing in a sentence. 用random digit dialing造句挺難的
  7. To calculate these weights, comScore regularly recruits panelists using random digit dialing and other offline recruiting methods to accurately determine how many users are online, aggregated by geography, income, and age.
  8. In recent decades, this has been accomplished by " random digit dialing, " in which a computer selects area codes and exchanges and then makes up the last four digits at random to form complete telephone numbers.
  9. He remained with the company after the sale, but in 1977 left to start a new company, Three Sigma Research, in Larchmont, N . Y . After a few years in business, he sold the new company, which did important early work in random digit dialing, another marketing research technique, to Simmons Market Research.

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