题目内容

We would make you the following offer, subject to your telex acceptance us not later than June 30, 1998()

A. reaches
B. being reached
C. reaching
D. reach

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For a data set, the coefficient of skewness is -2.73. We conclude that()

A. the mean is larger than the median
B. the median is larger than the mean
C. the standard deviation is a less than zero
D. something is wrong because the coefficient of skewness cannot be less than -1

Which measure of central tendency reports the value that occurs with the highest frequency()

A. Mean
B. Median
C. Mode
D. Standard deviation

Which of the following is a correct statement about probability()

A. Probability values range from 0 to 1, inclusive
B. Probabilities may assume negative values
C. Probabilities may be greater than 1
D. Probabilities are limited to one decimal place

To convert a frequency distribution to a relative frequency distribution()

A. find the difference between consecutive lower class limits
B. divide the class frequency by the total number of observations
C. divide the lower limit of the first class by the class interval
D. multiple the class frequency by 100

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