Daily Question June 23, 2015 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers
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10. In wind direction statistics, C=34.44% indicates ( ). A. The frequency of the dominant wind direction is 34.44%. B. The frequency of strong winds is 34.44%. C. The frequency of calm winds is 34.44%. D. The frequency of calm winds combined with other wind directions is 34.44%. 【Correct answer】C. Explanation: Wind frequency refers to the percentage of times a particular wind direction occurs out of the total number of observations. The calm wind frequency refers to the percentage of times there is calm wind (no wind direction) out of the total number of observations ； Still wind frequency + frequency of 16 wind directions = 100%
C. The still wind frequency is 34.44%
C. The still wind frequency is 34.44%
In wind direction statistics, C=34.44% represents ( C).
10. In the wind direction statistics, C=34.44% represents (C). A. The frequency of dominant winds is 34.44% B. The frequency of strong winds is 34.44% C. The frequency of calm winds is 34.44% D. The frequency of calm winds combined with winds is 34.44%
Answer: C. The still wind frequency is 34.44%
A. The dominant wind frequency is 34.44%