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Q7.(10) A study was conducted to examine the number of rain days in July. Three cities A, B, C are selected, and the number of
Q7.(10) A study was conducted to examine the number of rain days in July. Three cities A, B, C are selected, and the number of rain days in July from year 2001 - 2005 were recorded. Assume the samples are independent.
A: 3, 5, 4, 5, 6
B: 6, 8, 7, 9, 10
C: 3, 5, 2, 1, 6
1.(6) Is there any evidence to suggest that at least two cities mean number of rain days in July are different? Use =0.05.
2.(4) Calculate the 95% Bonferroni confidence intervals for all pairs comparisons, and identify which pair has significant difference. Note:
t0.0083(12)=2.7816
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