You have collected a simple random sample of 39 students. On average (the average here is measured by the sample mean), the students in your sample spent $600 on books in 2020. The lowest spending on the books among these 39 students in 2020 was $398. The greatest spending on the books among these 39 students in 2020 was $804. You want to estimate the population standard deviation of the amounts spent by students on books in 2020. Explain how you could find an approximate value of the population standard deviation from the information given here. Justify your assumptions. What is that approximate value of the population standard deviation?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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You have collected a simple random sample of 39 students. On average (the average here is measured by the sample mean), the students in your sample spent $600 on books in 2020. The lowest spending on the books among these 39 students in 2020 was $398. The greatest spending on the books among these 39 students in 2020 was $804. You want to estimate the population standard deviation of the amounts spent by students on books in 2020. Explain how you could find an approximate value of the population standard deviation from the information given here. Justify your assumptions. What is that approximate value of the population standard deviation? 

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