Arithmetic operations are appropriate for
A: only the ratio scale
B: only the interval scale
C: the nominal scale
D: None of the above answers is correct.
A: only the ratio scale
B: only the interval scale
C: the nominal scale
D: None of the above answers is correct.
举一反三
- Identify the scale used for the following variable:Educational level reported as middle school, high school , undergraduate and higher _________ A: Nominal scale B: Ordinal scale
- Throughout the Communist period, was the only large scale organization outside the party in Poland .
- The scale band is: A: Linear horn belt B: Index band C: Exponential horn belt D: None of the above
- When a speaker needs to show numbers and statistics in proportions, ratio or scale, he usually uses the expressions of “a ratio of”, “proportion of”, “ on a scale of “ etc. These expressions are used to present _______. </p> </p>
- A person stands on a bathroom scale in an elevator. When the scale reads only 75% of the person’s regular weight, he claims that the elevator must be moving downward. Is he right? A: 正确 B: 错误