Level of satisfaction with their internet service

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Reference no: EM131992994

1. A simple random sample is defined by:

A) The method of selection.

B) Examination of the outcome.

C) Both of the above.

D) How representative the sample is of the population.

E) The size of the sample versus the size of the population.

2. An internet provider asks a consultant to contact 130 residential clients and measure their level of satisfaction with their internet service. The consultant obtains an alphabetized list of client names and starting with the letter A, uses a random number generator to pick five names from this group. The consultant uses the same selection method for each of the other 25 letters and combines the 5 × 26 = 130 names into a group of clients to be surveyed.

Which of the following statements is true?

A) The selection method makes use of chance.

B) The selection method results in a single-stage cluster sample.

C) Each client has an equal probability of being included in the survey.

D) The selection method introduces bias through sampling error.

E) For a sample this size, it is best to let the researcher hand pick a representative set of clients.

Reference no: EM131992994

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