486. Mode is a positional average which is used to deal with which type of data?
1. Quantitative data
2. Qualitative data
1. Quantitative data
2. Qualitative data
489. An investigator collects data himself or through his agents by contacting and interviewing students and the same data has been collected by the student union and the investigator obtains the data from the students union officer.
490. Consider the following measures:
1. Correlation coefficient
2. Covariance
3. Coefficient of variation
4. Index number
Which of these are unit-free?
1. Correlation coefficient
2. Covariance
3. Coefficient of variation
4. Index number
Which of these are unit-free?
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