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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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rsbains rsbains
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Mistakes. Describe the mistake made in the following analyses:
a. Ten teachers compute their average test scores for all their students. Then the superintendent collects their data and finds the school average. He repeats this process for eight different schools and finds a positive correlation between the age of the school average age of the teachers at a school and their average score.
b. The mayor of a city is concerned that the population of the city is growing faster than revenue. He calculates that over the last 5 years, the year and the size of the city have a R-sq of 95.7%. With such a high value, the mayor confidently predicts the population for the next three years of fiscal planning.
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Stats: Modeling the World

Stats: Modeling the World


Edition: 4th
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Antoinette12Antoinette12
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rsbains Author
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4 years ago
Helps a lot... Now I'm ready for my quiz
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