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Identify the parameter, Part II. For each of the following situations, state whether the parameter of interest is a mean or a proportion . (a)

Identify the parameter, Part II. For each of the following situations, state whether the parameter of interest is a mean or a proportion

. (a) A poll shows that 64% of Americans personally worry a great deal about federal spending and the budget deficit.

(b) A survey reports that local TV news has shown a 17% increase in revenue between 2009 and 2011 while newspaper revenues decreased by 6.4% during this time period

. (c) In a survey, high school and college students are asked whether or not they use geolocation services on their smart phones. (d) In a survey, smart phone users are asked whether or not they use a web-based taxi service. (e) In a survey, smart phone users are asked how many times they used a web-based taxi service over the last year

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