Ontario has installed a lot of wind turbines compared to other provinces, but should a landowner build some more? To produce enough energy, the site should have an annual average wind speed of at least 8 kilometres per hour. One candidate site was monitored for a year, with wind speeds recorded every six hours. A total of 1114 readings of wind speed averaged 8.019 kilometres per hour with a standard deviation of 3.813 kilometres per hour. You’ve been asked to make a statistical report to help the landowner decide whether to place a wind turbine
at this site.

a) Discuss the assumptions and conditions for using Student’s t-inference methods with these data. Here are some plots that may help you decide whether the methods can be used:

b) What would you tell the landowner about whether this site is suitable for a wind turbine? Explain.

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150 100 50 20 10 15 Wind Speed (km/hr) Number of Readings 20 15 10 250 500 750 1000 Time (Ju/un) paads puiM