Variables which take on values only at certain points over a given interval are called _______.
举一反三
- A variable that can take on values at any point over a given interval is called _______.
- A variable that can take on values at any point over a given interval is called _______. A: a value variable B: a continuous random variable C: a point variable D: a discrete random variable
- In the engineering field, if only some discrete sample points in a continuous region are measured, the most appropriate method to obtain more values in the interval of sample points is ( ). A: the method of solving equations B: the method of data interpolation C: an experiment or test method D: the method of manual estimation
- According to Raymond Williams, the second category in the definition of culture is the social definition of culture , in which culture is a description of a particular way of life, which expresses certain meanings and values not only in art and learning but also in institutions, and ordinary behavior.
- Regarding the sample average and the population average, the following is correct ( ) A: Both are random variables B: Both are definite values C: The former is a certain value and the latter is a random variable D: The former is a random variable and the latter is a certain value