In statistics, the mathematical mean is obtained by dividing the sum of a group of scores
A. total
B. square
C. numerator
D. list
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'The people were evacuated but there is no, they aren't underwater, but they're fight behind the dyke. And if the dyke were to go, they wouldn't have time to get out. '
The Minnesota River is one of its several in the state of Minnesota, North Dakota and South Dakota that has run out of its banks because of the melting snow and heavy rain during the past week. President Clinton has declared many counties in all three states fatal disaster areas and flooding is expected to continue for a few more weeks as last winter's record snowfall continues to melt. Michael Leland VOA news Chicago."
What caused the Minnesota River to nm out of its bank?
A. The heavy snowfall.
B. The melting snow and heavy rain.
C. The tropical storm.
D. The dike has been destroyed.
What is the woman going to do on Wednesday evening?
A. She is going to come to her father's birthday dinner.
B. She is going to finish her term paper.
C. She is going to help her roommate clean up the apartment.
D. She is going to meet some people in her apartment.
Compared with other forms of current affairs programs interviews are ______.
A. shorter and more efficient.
B. more carefully prepared
C. fairer in their approach
D. more sincere and direct