Expand Your Knowledge: Either n1 20 or n2 20 Professor
Chapter , Problem 12(choose chapter or problem)
Expand Your Knowledge: Either \(n_1 > 20\) or \(n_2 > 20\) Professor Cornish studied rainfall cycles and sunspot cycles. (Reference: Australian Journal of Physics, Vol. 7, pp. 334–346.) Part of the data include amount of rain (in mm) for 6-day intervals. The following data give rain amounts for consecutive 6-day intervals at Adelaide, South Australia.
Verify that the median is 17.5.
(a) Convert this sequence of numbers to a sequence of symbols A and B, where A indicates a value above the median and B a value below the median.
(b) Test the sequence for randomness about the median at the 5% level of significance. Use the large sample theory outlined in Problem 11.
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