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1 using a search engine and the key words spy equipment identify some of the high-tech gadgets that companies or
1 differentiate between sampling error and nonsampling error2 provide a real or hypothetical example of a situation in
to impress the interviewer many respondents in a survey of 400 persons exaggerated their annual incomes by anywhere
1 in survey research what are some of the methods by which we can reduce nonsampling error2 attendees at an industrial
to obtain a sample of the invoices over the past year a clerk uses the computer to select all invoice numbers that are
1 differentiate between a judgment sample and a convenience sample2 in what way are the quota sample and the stratified
what is the difference between a probability sample and a nonprobability sample which type is necessary if we wish to
for each of the following situations would you recommend a sample or a census explain your reasoning in each casea a
1 using the random number table in appendix a select a simple random sample of 5 from the 50 states of the united
the manufacturer of a fast-drying highly effective glue is concerned about the possibility that some users might
a study found that the average american buys 46 movie tickets per year compared to just 19 for the average spaniard
in an attempt to measure the availability of component parts for a new product line a manufacturer mails a
to collect information on how well it is serving its customers a restaurant places questionnaire cards on the tables
what is the difference between primary data and secondary data between internal secondary data and external secondary
a pharmaceutical firms annual report states that company sales of over-the-counter medicines increased by 481a to the
1 what are the major approaches to carrying out survey research2 provide an example of a survey question that would
1 what is random-digit dialing and why is it used2 how does a compiled mailing list differ from a response mailing
in order to increase the response rate to mail questionnaires researchers sometimes include a dollar bill or other
in studying the effectiveness of monetary rewards on seat belt usage a firm has been giving out lottery tickets to
a direct-mail firm tries two different versions of a mailing one of which includes a 50-cent monetary incentive for the
in a health study the dietary habits of 420000 men were examined over a 3-year period for those who ate no fried foods
when traveling some motorists assume that a restaurant has good food and reasonable prices if there are a lot of trucks
in doing observational studies while driving through suburban neighborhoods during the summer months home burglars look
1 what are secondary data differentiate between internal and external secondary data2 besides accounting and financial
1 what kinds of external secondary data are readily available on-line2 briefly what kinds of information does the us