For each of the following situations state whether the parameter of interest is a mean or a proportion. Use the appropriate population symbol as well as the word mean or proportion.
a. A poll shows that 14% of Americans personally worry about government conspiracies hiding aliens from outer space.
b. In a survey, one hundred college students are asked what percentage of their total weekly spending is on alcoholic beverages.
c. In a survey, internet users are asked whether or not they purchased any tickets on GoldStar.
d. In a survey, internet users are asked how many tickets they purchased on GoldStar in the past year.
a) Here the parameter of interest is a proportion (). The poll is asking the % of Americans personally worry about government conspiracies hiding aliens from outer space.
b) Here the parameter of interest is a proportion (). Here one hundred college students are asking what percentage of their total weekly spending is on alcoholic beverages.
c) Here the parameter of interest is a proportion (). Proportion who said Yes or No.
d) Here the parameter of interest is a mean ()
For each of the following situations state whether the parameter of interest is a mean or...
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