It was thought that Western Europe is kept warmer than it's latitude would suggest because of the Gulf Stream, which shoots warm equatorial waters up along the eastern coast of North America and across the North Atlantic to Europe
An optical double is an illusion—the stars are at vast distances from each other and are not actually orbiting each other—whereas in a visual binary, the stars are actually orbiting each other. its total energy output into all space
Answer:
Since this is means data and we do not know the populations standard deviation, a t-interval
needs to be used. The justification is found in checking the conditions needed for a t-interval. The
problem stated it was a random sample so we will assume this is sufficient. Since the sample size is
slightly under 30, we will still check for the data being roughly normal. Either a boxplot or normal
probability plot would suffice. In both cases there is no reason to doubt the sample data are roughly
normally distributed so we can proceed to the calculations.
The interval would be (69, 76)
Explanation:
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