In an experiment a factor is a variable whose

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4. In an experiment, a factor is a variable whose possible values are called: a. a distribution b. levels c. treatments 5. Bob took one random sample of 100 OSU students and collected data on gender and whether or not they were full time students. When he summarized the data he found there were 40% males and 60% females. He also found that 79% of males were full time and 88% of females were full time. What type of sample did Bob use? 6. A confounding variable is a variable that was included in the experiment but is hard to measure. 7. A television station wants to know what percentage of all voters are in favor of federal
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funding for a nationwide smoking ban. On their evening news they ask viewers to phone in and give their opinion. Of the 2241 viewers who phoned in, 1574 (70.24%) were in favor of the federal funding. The type of sample obtained is For problems 8-10. A marketing agency wants to examine consumer reactions to 2 potential changes in their cereal box: 1) the color of the box (possibilities include red, blue
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