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MATH 255N Week 1 Assignment, Variables and Measures of Data - Question and Answers Grade A guaranteed.

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Which of the following best describes the term explanatory variable? Which of the following best describes the term qualitative? A zoologist measures the birthweight of each cub in a litter of lions. What is the level of … measurement of the data? Margaret is investigating if gender has any effect on political party associations. What is the response variable? Timothy is collecting data on number of dental cavities. What type of data is this? To determine whether or not number of siblings...

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MATH 225N Week 1 Assignment Comparing Sampling Methods Question and Answers 100% Correct

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A television station plans to send a crew to a polling center on an election day. Because they do not have time to interview … each individual voter, they decide to count voters leaving the polling location and ask every 20th voter for an interview. What type of sampling is this? In order to study the shoe sizes of people in his town, Billy samples the population by dividing the residents by age and randomly … selecting a proportionate number of residents from each age group. Which type of ...

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