Identify the population, sample, variable and type of variable
1 In a survey of 1900 students from various college campuses across the US, it was observed that the average student loan debt was $42,315.
2 A 2018 Brookings poll wanted to know the percentage of adult internet users in the US that believe robots will perform most human activities in 30 years.
3 A 2019 ESPN opinion poll found that among adult NBA fans, 68% believe the Mavericks have the best future among non-playoff teams in the NBA.
1. Population : students from various college campuses across the US
Sample : 1900 selected students from various college campuses across the US
Variable : student loan debt
Type of variable : quantitative
2. Population : adult internet users in the US
Sample : adult internet users in the US who participated in 2018 Brookings poll
Variable : percentage of adult internet users in the US who believe robots will perform most human activities in 30 years
Type of variable : quantitative
3. Population : adult NBA fans
Sample : adult NBA fans participated in a 2019 ESPN opinion poll
Variable : percentage of Mavericks have the best future among non-playoff teams in the NBA
Type of variable : quantitative
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