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Category > Statistics Posted 10 Jun 2017 My Price 7.00

A polling organization conducts a study to estimate the percentage of households

a. A polling organization conducts a study to estimate the percentage of households that speaks a foreign language as the primary language. It mails a questionnaire to 1023 randomly selected households throughout the United States and asks the head of household if a foreign language is the primary language spoken in the home. Of the 1023 households selected, 12 responded.

b. Cold Stone Creamery is considering opening a new store in O’Fallon. Before opening the store, the company would like to know the percentage of households in O’Fallon that regularly visit an ice cream shop. The market researcher obtains a list of households in O’Fallon and randomly selects 150 of them. He mails a questionnaire to the 150 households that asks about ice cream eating habits and flavor preferences. Of the 150 questionnaires mailed, 4 are returned.

c. A newspaper article reported, “The Cosmopolitan magazine survey of more than 5000 Australian women aged 18–34 found about 42 percent considered themselves overweight or obese.” Source: Herald Sun, September 9, 2007

d. A health teacher wishes to do research on the weight of college students. She obtains the weights for all the students in her 9 a.m. class by looking at their driver’s licenses or state IDs.

 

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Alpha Geek
(8)
Status NEW Posted 10 Jun 2017 09:06 AM My Price 7.00

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