International Communications Research (ICR) conducted the 2008 Spring Cleaning Survey for the Soap and Detergent Association. ICR questioned 777 American adults who spring-clean about which springcleaning chore they would like to hire someone to do for them. The “chore” results were: 47% washing windows, 23% cleaning the bathroom, 12% cleaning the kitchen, 8% dusting, 7% mopping, 3% other. The survey has a margin of error of plus or minus 3.52%.
a. What is the population?
b. How many people were polled?
c. What information was obtained from each person?
d. Using the information given, estimate the number of surveyed adults who would gladly hire someone to wash the windows, if they could.
e. What do you think the “margin of error of plus or minus 3.52%” means?
f. How would you use the “margin of error” in estimating the percentage of all adults who would like to hire out the spring-cleaning chore of “Cleaning the kitchen”?

  • CreatedAugust 27, 2015
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