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The average amount of rainfall during summer months for the northeast part of US is 11.52in. A researchr selects a smple of 10 citues in the northeast and finds that the averge amount of rainfaal for 1995 was 7.42. Standard deviation of sample is 1.3. At alpha=0.05, can it be concluded that for 1995 the mean rainfall was below 11.52?
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