A portion of the population selected to represent the population is called
A: statistical inference
B: descriptive statistics
C: a census
D: a sample
A: statistical inference
B: descriptive statistics
C: a census
D: a sample
举一反三
- The difference between the sample mean and the population mean is called the: A: population deviation. B: population standard deviation. C: standard error of the mean. D: sampling error.
- Characteristics of a population are called: A: parameters B: statistics C: estimates D: variance
- A summary measure that is computed from a sample to describe a characteristic of the population is called:
- The difference between the sample mean and the population mean is called the sampling error.
- The difference between the sample size and the population size is called the sampling error.