the number of elements. (
)
举一反三
- If a data set has an even number of observations, the median is the<br/>average value of the two middle items. ( <br/>)
- The larger the number of observations in a numerical data set, the larger the number of class intervals needed for a grouped frequency distribution.
- True or False: The larger the number of observations in a numerical data set, the larger the number of class intervals needed for a grouped frequency distribution.
- 14 In triple sequence table of sparse matrix, each triple represents ( ). A: the row number,column number and data value of non-zero elements in the matrix B: the data value of non-zero elements in the matrix C: the row and column numbers of elements in the matrix D: the row number,column number and data value of elements in the matrix
- The following features that do not belong to floating elements are( ) A: Floating elements<br/>will be automatically set to block elements for display B: A floating<br/>element is in the same position in the vertical direction as when it<br/>is not defined as floating C: The floating<br/>element is horizontal, and it will be as close as possible to the<br/>edge of its parent element D: Block elements do<br/>not drill under floating elements and are not covered by floating<br/>elements.
内容
- 0
Natural number is the number of elements in a ______ set.
- 1
___________ of<br/>the students in this school is 2000, and ____________ of them are<br/>girls. A: The number; first<br/>fourth B: The number; one fourth C: A number; one second D: A number;<br/>three quarters
- 2
5-10.As<br/>for the number of invariant points, the system can be divided into<br/>corresponding sub-triangles, that is, the number of sub-triangles is<br/>equal to the number of invariant points. ()
- 3
The<br/>four major elements that affect intercultural communication include<br/>______ ,<br/>verbal processes and nonverbal processes and contextual elements.
- 4
Which of the following best describes a frequency distribution A frequency distribution is a grouping of:（） A: data into intervals (classes) so that the number of observations in each of the non - overlapping intervals (classes) can be seen and tallied. B: selected data into intervals (classes) so that the number of observations in each of the non - overlapping intervals (classes) can be seen and tallied. C: dependent intervals (classes) so that they can be seen and tallied.