20. Heights of Tall Buildings An architect designing a new office tower estimates that the average...

20. Heights of Tall Buildings An architect designing a new office tower estimates that the average height of Canada's tallest buildings of 30 or more storeys is at least 200 metres. A random sample of 10 buildings is selected and the heights in metres are shown. At α = 0.025, is there enough evidence to reject the claim?

155 ,195, 224 ,183, 167, 177, 190, 263 ,155 , 215

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orchestra answered 2 years ago

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